Home / 486,252.11-729,320.76-131,293.81

Finding the Fourth Proportional to 486,252.11, 729,320.76 and 131,293.81

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Solution

The fourth proportional to 486,252.11, 729,320.76 and 131,293.81 is: 196,925.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,252.11 : 729,320.76 = 131,293.81 : x
  2. Step 2: Convert to fraction form
    486,252.11/729,320.76 = 131,293.81/x
  3. Step 3: Cross multiply
    486,252.11x = 729,320.76 × 131,293.81
  4. Step 4: Simplify right side
    486,252.11x = 95,755,302,204.15
  5. Step 5: Solve for x
    x = 95,755,302,204.15/486,252.11
  6. Step 6: Final answer
    x = 196,925.22

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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.