Home / 395,000.32-592,546.56-138,754.24

Finding the Fourth Proportional to 395,000.32, 592,546.56 and 138,754.24

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Solution

The fourth proportional to 395,000.32, 592,546.56 and 138,754.24 is: 208,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,000.32 : 592,546.56 = 138,754.24 : x
  2. Step 2: Convert to fraction form
    395,000.32/592,546.56 = 138,754.24/x
  3. Step 3: Cross multiply
    395,000.32x = 592,546.56 × 138,754.24
  4. Step 4: Simplify right side
    395,000.32x = 82,218,347,597.41
  5. Step 5: Solve for x
    x = 82,218,347,597.41/395,000.32
  6. Step 6: Final answer
    x = 208,147.55

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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.