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Finding the Fourth Proportional to 485,050.92, 669,381.92 and 270,194.40

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Solution

The fourth proportional to 485,050.92, 669,381.92 and 270,194.40 is: 372,874.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,050.92 : 669,381.92 = 270,194.40 : x
  2. Step 2: Convert to fraction form
    485,050.92/669,381.92 = 270,194.40/x
  3. Step 3: Cross multiply
    485,050.92x = 669,381.92 × 270,194.40
  4. Step 4: Simplify right side
    485,050.92x = 180,863,246,245.25
  5. Step 5: Solve for x
    x = 180,863,246,245.25/485,050.92
  6. Step 6: Final answer
    x = 372,874.76

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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.