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Finding the Fourth Proportional to 266,353.70, 367,552.14 and 145,470.92

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Solution

The fourth proportional to 266,353.70, 367,552.14 and 145,470.92 is: 200,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,353.70 : 367,552.14 = 145,470.92 : x
  2. Step 2: Convert to fraction form
    266,353.70/367,552.14 = 145,470.92/x
  3. Step 3: Cross multiply
    266,353.70x = 367,552.14 × 145,470.92
  4. Step 4: Simplify right side
    266,353.70x = 53,468,147,953.77
  5. Step 5: Solve for x
    x = 53,468,147,953.77/266,353.70
  6. Step 6: Final answer
    x = 200,741.15

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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.