Home / 268,947.18-403,304.13-91,406.52

Finding the Fourth Proportional to 268,947.18, 403,304.13 and 91,406.52

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Solution

The fourth proportional to 268,947.18, 403,304.13 and 91,406.52 is: 137,070.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,947.18 : 403,304.13 = 91,406.52 : x
  2. Step 2: Convert to fraction form
    268,947.18/403,304.13 = 91,406.52/x
  3. Step 3: Cross multiply
    268,947.18x = 403,304.13 × 91,406.52
  4. Step 4: Simplify right side
    268,947.18x = 36,864,627,024.93
  5. Step 5: Solve for x
    x = 36,864,627,024.93/268,947.18
  6. Step 6: Final answer
    x = 137,070.14

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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.