Home / 247,584.20-371,333.10-89,731.40

Finding the Fourth Proportional to 247,584.20, 371,333.10 and 89,731.40

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Solution

The fourth proportional to 247,584.20, 371,333.10 and 89,731.40 is: 134,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,584.20 : 371,333.10 = 89,731.40 : x
  2. Step 2: Convert to fraction form
    247,584.20/371,333.10 = 89,731.40/x
  3. Step 3: Cross multiply
    247,584.20x = 371,333.10 × 89,731.40
  4. Step 4: Simplify right side
    247,584.20x = 33,320,238,929.34
  5. Step 5: Solve for x
    x = 33,320,238,929.34/247,584.20
  6. Step 6: Final answer
    x = 134,581.44

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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.