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Finding the Fourth Proportional to 247,253.91, 370,880.52 and 89,445.39

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Solution

The fourth proportional to 247,253.91, 370,880.52 and 89,445.39 is: 134,167.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,253.91 : 370,880.52 = 89,445.39 : x
  2. Step 2: Convert to fraction form
    247,253.91/370,880.52 = 89,445.39/x
  3. Step 3: Cross multiply
    247,253.91x = 370,880.52 × 89,445.39
  4. Step 4: Simplify right side
    247,253.91x = 33,173,552,754.80
  5. Step 5: Solve for x
    x = 33,173,552,754.80/247,253.91
  6. Step 6: Final answer
    x = 134,167.96

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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.