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Finding the Fourth Proportional to 157,382.34, 236,073.18 and 49,320

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Solution

The fourth proportional to 157,382.34, 236,073.18 and 49,320 is: 73,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,382.34 : 236,073.18 = 49,320 : x
  2. Step 2: Convert to fraction form
    157,382.34/236,073.18 = 49,320/x
  3. Step 3: Cross multiply
    157,382.34x = 236,073.18 × 49,320
  4. Step 4: Simplify right side
    157,382.34x = 11,643,129,237.60
  5. Step 5: Solve for x
    x = 11,643,129,237.60/157,382.34
  6. Step 6: Final answer
    x = 73,979.90

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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.