Home / 372,780.28-514,404.18-211,642.12

Finding the Fourth Proportional to 372,780.28, 514,404.18 and 211,642.12

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Solution

The fourth proportional to 372,780.28, 514,404.18 and 211,642.12 is: 292,047.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,780.28 : 514,404.18 = 211,642.12 : x
  2. Step 2: Convert to fraction form
    372,780.28/514,404.18 = 211,642.12/x
  3. Step 3: Cross multiply
    372,780.28x = 514,404.18 × 211,642.12
  4. Step 4: Simplify right side
    372,780.28x = 108,869,591,192.06
  5. Step 5: Solve for x
    x = 108,869,591,192.06/372,780.28
  6. Step 6: Final answer
    x = 292,047.61

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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.