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Finding the Fourth Proportional to 508,900.80, 763,351.20 and 176,510.40

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Solution

The fourth proportional to 508,900.80, 763,351.20 and 176,510.40 is: 264,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,900.80 : 763,351.20 = 176,510.40 : x
  2. Step 2: Convert to fraction form
    508,900.80/763,351.20 = 176,510.40/x
  3. Step 3: Cross multiply
    508,900.80x = 763,351.20 × 176,510.40
  4. Step 4: Simplify right side
    508,900.80x = 134,739,425,652.48
  5. Step 5: Solve for x
    x = 134,739,425,652.48/508,900.80
  6. Step 6: Final answer
    x = 264,765.60

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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.