Home / 272,747.28-408,984.09-158,931.96

Finding the Fourth Proportional to 272,747.28, 408,984.09 and 158,931.96

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Solution

The fourth proportional to 272,747.28, 408,984.09 and 158,931.96 is: 238,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,747.28 : 408,984.09 = 158,931.96 : x
  2. Step 2: Convert to fraction form
    272,747.28/408,984.09 = 158,931.96/x
  3. Step 3: Cross multiply
    272,747.28x = 408,984.09 × 158,931.96
  4. Step 4: Simplify right side
    272,747.28x = 65,000,643,032.52
  5. Step 5: Solve for x
    x = 65,000,643,032.52/272,747.28
  6. Step 6: Final answer
    x = 238,318.21

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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.