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Finding the Fourth Proportional to 342,319.52, 513,329.48 and 162,456.49

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Solution

The fourth proportional to 342,319.52, 513,329.48 and 162,456.49 is: 243,613.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,319.52 : 513,329.48 = 162,456.49 : x
  2. Step 2: Convert to fraction form
    342,319.52/513,329.48 = 162,456.49/x
  3. Step 3: Cross multiply
    342,319.52x = 513,329.48 × 162,456.49
  4. Step 4: Simplify right side
    342,319.52x = 83,393,705,534.33
  5. Step 5: Solve for x
    x = 83,393,705,534.33/342,319.52
  6. Step 6: Final answer
    x = 243,613.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.