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Finding the Fourth Proportional to 342,446.39, 472,534.60 and 197,299.65

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Solution

The fourth proportional to 342,446.39, 472,534.60 and 197,299.65 is: 272,249.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,446.39 : 472,534.60 = 197,299.65 : x
  2. Step 2: Convert to fraction form
    342,446.39/472,534.60 = 197,299.65/x
  3. Step 3: Cross multiply
    342,446.39x = 472,534.60 × 197,299.65
  4. Step 4: Simplify right side
    342,446.39x = 93,230,911,192.89
  5. Step 5: Solve for x
    x = 93,230,911,192.89/342,446.39
  6. Step 6: Final answer
    x = 272,249.65

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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.