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Finding the Fourth Proportional to 477,367.48, 658,605.87 and 270,613.69

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Solution

The fourth proportional to 477,367.48, 658,605.87 and 270,613.69 is: 373,355.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,367.48 : 658,605.87 = 270,613.69 : x
  2. Step 2: Convert to fraction form
    477,367.48/658,605.87 = 270,613.69/x
  3. Step 3: Cross multiply
    477,367.48x = 658,605.87 × 270,613.69
  4. Step 4: Simplify right side
    477,367.48x = 178,227,761,443.33
  5. Step 5: Solve for x
    x = 178,227,761,443.33/477,367.48
  6. Step 6: Final answer
    x = 373,355.48

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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.