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Finding the Fourth Proportional to 237,746.16, 328,123.30 and 147,131.30

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Solution

The fourth proportional to 237,746.16, 328,123.30 and 147,131.30 is: 203,061.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,746.16 : 328,123.30 = 147,131.30 : x
  2. Step 2: Convert to fraction form
    237,746.16/328,123.30 = 147,131.30/x
  3. Step 3: Cross multiply
    237,746.16x = 328,123.30 × 147,131.30
  4. Step 4: Simplify right side
    237,746.16x = 48,277,207,689.29
  5. Step 5: Solve for x
    x = 48,277,207,689.29/237,746.16
  6. Step 6: Final answer
    x = 203,061.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.