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Finding the Fourth Proportional to 508,384.80, 762,577.20 and 192,800.70

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Solution

The fourth proportional to 508,384.80, 762,577.20 and 192,800.70 is: 289,201.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,384.80 : 762,577.20 = 192,800.70 : x
  2. Step 2: Convert to fraction form
    508,384.80/762,577.20 = 192,800.70/x
  3. Step 3: Cross multiply
    508,384.80x = 762,577.20 × 192,800.70
  4. Step 4: Simplify right side
    508,384.80x = 147,025,417,964.04
  5. Step 5: Solve for x
    x = 147,025,417,964.04/508,384.80
  6. Step 6: Final answer
    x = 289,201.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.