Home / 372,436.38-513,951.48-211,306.32

Finding the Fourth Proportional to 372,436.38, 513,951.48 and 211,306.32

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Solution

The fourth proportional to 372,436.38, 513,951.48 and 211,306.32 is: 291,596.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,436.38 : 513,951.48 = 211,306.32 : x
  2. Step 2: Convert to fraction form
    372,436.38/513,951.48 = 211,306.32/x
  3. Step 3: Cross multiply
    372,436.38x = 513,951.48 × 211,306.32
  4. Step 4: Simplify right side
    372,436.38x = 108,601,195,897.35
  5. Step 5: Solve for x
    x = 108,601,195,897.35/372,436.38
  6. Step 6: Final answer
    x = 291,596.64

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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.