Home / 251,445.12-347,158.08-156,091.92

Finding the Fourth Proportional to 251,445.12, 347,158.08 and 156,091.92

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Solution

The fourth proportional to 251,445.12, 347,158.08 and 156,091.92 is: 215,508.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,445.12 : 347,158.08 = 156,091.92 : x
  2. Step 2: Convert to fraction form
    251,445.12/347,158.08 = 156,091.92/x
  3. Step 3: Cross multiply
    251,445.12x = 347,158.08 × 156,091.92
  4. Step 4: Simplify right side
    251,445.12x = 54,188,571,250.71
  5. Step 5: Solve for x
    x = 54,188,571,250.71/251,445.12
  6. Step 6: Final answer
    x = 215,508.54

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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.