Home / 402,723.33-604,082.28-136,671.15

Finding the Fourth Proportional to 402,723.33, 604,082.28 and 136,671.15

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Solution

The fourth proportional to 402,723.33, 604,082.28 and 136,671.15 is: 205,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,723.33 : 604,082.28 = 136,671.15 : x
  2. Step 2: Convert to fraction form
    402,723.33/604,082.28 = 136,671.15/x
  3. Step 3: Cross multiply
    402,723.33x = 604,082.28 × 136,671.15
  4. Step 4: Simplify right side
    402,723.33x = 82,560,619,902.22
  5. Step 5: Solve for x
    x = 82,560,619,902.22/402,723.33
  6. Step 6: Final answer
    x = 205,005.80

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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.