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Finding the Fourth Proportional to 186,710.64, 280,120.68 and 60,348.48

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Solution

The fourth proportional to 186,710.64, 280,120.68 and 60,348.48 is: 90,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,710.64 : 280,120.68 = 60,348.48 : x
  2. Step 2: Convert to fraction form
    186,710.64/280,120.68 = 60,348.48/x
  3. Step 3: Cross multiply
    186,710.64x = 280,120.68 × 60,348.48
  4. Step 4: Simplify right side
    186,710.64x = 16,904,857,254.57
  5. Step 5: Solve for x
    x = 16,904,857,254.57/186,710.64
  6. Step 6: Final answer
    x = 90,540.41

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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.