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Finding the Fourth Proportional to 238,421.91, 357,633.05 and 60,929.10

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Solution

The fourth proportional to 238,421.91, 357,633.05 and 60,929.10 is: 91,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,421.91 : 357,633.05 = 60,929.10 : x
  2. Step 2: Convert to fraction form
    238,421.91/357,633.05 = 60,929.10/x
  3. Step 3: Cross multiply
    238,421.91x = 357,633.05 × 60,929.10
  4. Step 4: Simplify right side
    238,421.91x = 21,790,259,866.76
  5. Step 5: Solve for x
    x = 21,790,259,866.76/238,421.91
  6. Step 6: Final answer
    x = 91,393.70

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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.