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Finding the Fourth Proportional to 238,574.71, 329,237.19 and 131,149.27

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Solution

The fourth proportional to 238,574.71, 329,237.19 and 131,149.27 is: 180,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,574.71 : 329,237.19 = 131,149.27 : x
  2. Step 2: Convert to fraction form
    238,574.71/329,237.19 = 131,149.27/x
  3. Step 3: Cross multiply
    238,574.71x = 329,237.19 × 131,149.27
  4. Step 4: Simplify right side
    238,574.71x = 43,179,214,823.42
  5. Step 5: Solve for x
    x = 43,179,214,823.42/238,574.71
  6. Step 6: Final answer
    x = 180,988.24

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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.