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Finding the Fourth Proportional to 266,294.96, 367,489.94 and 145,439.76

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Solution

The fourth proportional to 266,294.96, 367,489.94 and 145,439.76 is: 200,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,294.96 : 367,489.94 = 145,439.76 : x
  2. Step 2: Convert to fraction form
    266,294.96/367,489.94 = 145,439.76/x
  3. Step 3: Cross multiply
    266,294.96x = 367,489.94 × 145,439.76
  4. Step 4: Simplify right side
    266,294.96x = 53,447,648,676.01
  5. Step 5: Solve for x
    x = 53,447,648,676.01/266,294.96
  6. Step 6: Final answer
    x = 200,708.45

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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.