Home / 385,939.98-532,857.42-240,966.72

Finding the Fourth Proportional to 385,939.98, 532,857.42 and 240,966.72

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Solution

The fourth proportional to 385,939.98, 532,857.42 and 240,966.72 is: 332,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,939.98 : 532,857.42 = 240,966.72 : x
  2. Step 2: Convert to fraction form
    385,939.98/532,857.42 = 240,966.72/x
  3. Step 3: Cross multiply
    385,939.98x = 532,857.42 × 240,966.72
  4. Step 4: Simplify right side
    385,939.98x = 128,400,904,725.06
  5. Step 5: Solve for x
    x = 128,400,904,725.06/385,939.98
  6. Step 6: Final answer
    x = 332,696.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.