Home / 268,829.46-403,140.51-91,294.74

Finding the Fourth Proportional to 268,829.46, 403,140.51 and 91,294.74

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Solution

The fourth proportional to 268,829.46, 403,140.51 and 91,294.74 is: 136,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,829.46 : 403,140.51 = 91,294.74 : x
  2. Step 2: Convert to fraction form
    268,829.46/403,140.51 = 91,294.74/x
  3. Step 3: Cross multiply
    268,829.46x = 403,140.51 × 91,294.74
  4. Step 4: Simplify right side
    268,829.46x = 36,804,608,043.92
  5. Step 5: Solve for x
    x = 36,804,608,043.92/268,829.46
  6. Step 6: Final answer
    x = 136,906.90

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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.