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Finding the Fourth Proportional to 551,171.64, 826,750.14 and 266,887.61

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Solution

The fourth proportional to 551,171.64, 826,750.14 and 266,887.61 is: 400,327.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,171.64 : 826,750.14 = 266,887.61 : x
  2. Step 2: Convert to fraction form
    551,171.64/826,750.14 = 266,887.61/x
  3. Step 3: Cross multiply
    551,171.64x = 826,750.14 × 266,887.61
  4. Step 4: Simplify right side
    551,171.64x = 220,649,368,931.77
  5. Step 5: Solve for x
    x = 220,649,368,931.77/551,171.64
  6. Step 6: Final answer
    x = 400,327.87

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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.