Home / 453,330.81-680,144.04-216,691.88

Finding the Fourth Proportional to 453,330.81, 680,144.04 and 216,691.88

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Solution

The fourth proportional to 453,330.81, 680,144.04 and 216,691.88 is: 325,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,330.81 : 680,144.04 = 216,691.88 : x
  2. Step 2: Convert to fraction form
    453,330.81/680,144.04 = 216,691.88/x
  3. Step 3: Cross multiply
    453,330.81x = 680,144.04 × 216,691.88
  4. Step 4: Simplify right side
    453,330.81x = 147,381,687,297.68
  5. Step 5: Solve for x
    x = 147,381,687,297.68/453,330.81
  6. Step 6: Final answer
    x = 325,108.47

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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.