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Finding the Fourth Proportional to 342,217.14, 472,277.34 and 197,044.46

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Solution

The fourth proportional to 342,217.14, 472,277.34 and 197,044.46 is: 271,931.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,217.14 : 472,277.34 = 197,044.46 : x
  2. Step 2: Convert to fraction form
    342,217.14/472,277.34 = 197,044.46/x
  3. Step 3: Cross multiply
    342,217.14x = 472,277.34 × 197,044.46
  4. Step 4: Simplify right side
    342,217.14x = 93,059,633,430.54
  5. Step 5: Solve for x
    x = 93,059,633,430.54/342,217.14
  6. Step 6: Final answer
    x = 271,931.54

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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.