Home / 276,854.45-415,316.34-108,353.03

Finding the Fourth Proportional to 276,854.45, 415,316.34 and 108,353.03

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Solution

The fourth proportional to 276,854.45, 415,316.34 and 108,353.03 is: 162,543.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,854.45 : 415,316.34 = 108,353.03 : x
  2. Step 2: Convert to fraction form
    276,854.45/415,316.34 = 108,353.03/x
  3. Step 3: Cross multiply
    276,854.45x = 415,316.34 × 108,353.03
  4. Step 4: Simplify right side
    276,854.45x = 45,000,781,770.93
  5. Step 5: Solve for x
    x = 45,000,781,770.93/276,854.45
  6. Step 6: Final answer
    x = 162,543.11

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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.