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Finding the Fourth Proportional to 508,081.19, 762,123.11 and 171,358.38

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Solution

The fourth proportional to 508,081.19, 762,123.11 and 171,358.38 is: 257,038.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,081.19 : 762,123.11 = 171,358.38 : x
  2. Step 2: Convert to fraction form
    508,081.19/762,123.11 = 171,358.38/x
  3. Step 3: Cross multiply
    508,081.19x = 762,123.11 × 171,358.38
  4. Step 4: Simplify right side
    508,081.19x = 130,596,180,633.37
  5. Step 5: Solve for x
    x = 130,596,180,633.37/508,081.19
  6. Step 6: Final answer
    x = 257,038.02

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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.