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Finding the Fourth Proportional to 266,059.32, 367,167.66 and 145,201.08

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Solution

The fourth proportional to 266,059.32, 367,167.66 and 145,201.08 is: 200,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,059.32 : 367,167.66 = 145,201.08 : x
  2. Step 2: Convert to fraction form
    266,059.32/367,167.66 = 145,201.08/x
  3. Step 3: Cross multiply
    266,059.32x = 367,167.66 × 145,201.08
  4. Step 4: Simplify right side
    266,059.32x = 53,313,140,773.07
  5. Step 5: Solve for x
    x = 53,313,140,773.07/266,059.32
  6. Step 6: Final answer
    x = 200,380.65

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1.5x scale

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.