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Finding the Fourth Proportional to 154,978.74, 232,246.15 and 88,281.17

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Solution

The fourth proportional to 154,978.74, 232,246.15 and 88,281.17 is: 132,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,978.74 : 232,246.15 = 88,281.17 : x
  2. Step 2: Convert to fraction form
    154,978.74/232,246.15 = 88,281.17/x
  3. Step 3: Cross multiply
    154,978.74x = 232,246.15 × 88,281.17
  4. Step 4: Simplify right side
    154,978.74x = 20,502,961,850.00
  5. Step 5: Solve for x
    x = 20,502,961,850.00/154,978.74
  6. Step 6: Final answer
    x = 132,295.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.