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Finding the Fourth Proportional to 266,358.89, 367,569.22 and 145,500.71

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Solution

The fourth proportional to 266,358.89, 367,569.22 and 145,500.71 is: 200,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,358.89 : 367,569.22 = 145,500.71 : x
  2. Step 2: Convert to fraction form
    266,358.89/367,569.22 = 145,500.71/x
  3. Step 3: Cross multiply
    266,358.89x = 367,569.22 × 145,500.71
  4. Step 4: Simplify right side
    266,358.89x = 53,481,582,484.15
  5. Step 5: Solve for x
    x = 53,481,582,484.15/266,358.89
  6. Step 6: Final answer
    x = 200,787.68

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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.