Home / 283,712.40-425,534.04-73,332.72

Finding the Fourth Proportional to 283,712.40, 425,534.04 and 73,332.72

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Solution

The fourth proportional to 283,712.40, 425,534.04 and 73,332.72 is: 109,990.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,712.40 : 425,534.04 = 73,332.72 : x
  2. Step 2: Convert to fraction form
    283,712.40/425,534.04 = 73,332.72/x
  3. Step 3: Cross multiply
    283,712.40x = 425,534.04 × 73,332.72
  4. Step 4: Simplify right side
    283,712.40x = 31,205,568,605.79
  5. Step 5: Solve for x
    x = 31,205,568,605.79/283,712.40
  6. Step 6: Final answer
    x = 109,990.15

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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.