Home / 238,098.38-357,125.70-80,328.20

Finding the Fourth Proportional to 238,098.38, 357,125.70 and 80,328.20

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Solution

The fourth proportional to 238,098.38, 357,125.70 and 80,328.20 is: 120,484.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,098.38 : 357,125.70 = 80,328.20 : x
  2. Step 2: Convert to fraction form
    238,098.38/357,125.70 = 80,328.20/x
  3. Step 3: Cross multiply
    238,098.38x = 357,125.70 × 80,328.20
  4. Step 4: Simplify right side
    238,098.38x = 28,687,264,654.74
  5. Step 5: Solve for x
    x = 28,687,264,654.74/238,098.38
  6. Step 6: Final answer
    x = 120,484.92

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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.