Home / 283,502.30-391,233.85-156,180.02

Finding the Fourth Proportional to 283,502.30, 391,233.85 and 156,180.02

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Solution

The fourth proportional to 283,502.30, 391,233.85 and 156,180.02 is: 215,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,502.30 : 391,233.85 = 156,180.02 : x
  2. Step 2: Convert to fraction form
    283,502.30/391,233.85 = 156,180.02/x
  3. Step 3: Cross multiply
    283,502.30x = 391,233.85 × 156,180.02
  4. Step 4: Simplify right side
    283,502.30x = 61,102,908,171.06
  5. Step 5: Solve for x
    x = 61,102,908,171.06/283,502.30
  6. Step 6: Final answer
    x = 215,528.80

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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.