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Finding the Fourth Proportional to 342,276.04, 472,470.60 and 306,401.14

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Solution

The fourth proportional to 342,276.04, 472,470.60 and 306,401.14 is: 422,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,276.04 : 472,470.60 = 306,401.14 : x
  2. Step 2: Convert to fraction form
    342,276.04/472,470.60 = 306,401.14/x
  3. Step 3: Cross multiply
    342,276.04x = 472,470.60 × 306,401.14
  4. Step 4: Simplify right side
    342,276.04x = 144,765,530,456.48
  5. Step 5: Solve for x
    x = 144,765,530,456.48/342,276.04
  6. Step 6: Final answer
    x = 422,949.65

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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.