Home / 261,710.04-392,565.23-84,217.02

Finding the Fourth Proportional to 261,710.04, 392,565.23 and 84,217.02

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Solution

The fourth proportional to 261,710.04, 392,565.23 and 84,217.02 is: 126,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,710.04 : 392,565.23 = 84,217.02 : x
  2. Step 2: Convert to fraction form
    261,710.04/392,565.23 = 84,217.02/x
  3. Step 3: Cross multiply
    261,710.04x = 392,565.23 × 84,217.02
  4. Step 4: Simplify right side
    261,710.04x = 33,060,672,722.54
  5. Step 5: Solve for x
    x = 33,060,672,722.54/261,710.04
  6. Step 6: Final answer
    x = 126,325.58

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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.