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Finding the Fourth Proportional to 247,530.88, 371,276.88 and 87,622.72

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Solution

The fourth proportional to 247,530.88, 371,276.88 and 87,622.72 is: 131,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,530.88 : 371,276.88 = 87,622.72 : x
  2. Step 2: Convert to fraction form
    247,530.88/371,276.88 = 87,622.72/x
  3. Step 3: Cross multiply
    247,530.88x = 371,276.88 × 87,622.72
  4. Step 4: Simplify right side
    247,530.88x = 32,532,290,098.71
  5. Step 5: Solve for x
    x = 32,532,290,098.71/247,530.88
  6. Step 6: Final answer
    x = 131,427.20

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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.