Home / 348,363.20-521,767.20-268,853.60

Finding the Fourth Proportional to 348,363.20, 521,767.20 and 268,853.60

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Solution

The fourth proportional to 348,363.20, 521,767.20 and 268,853.60 is: 402,680.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,363.20 : 521,767.20 = 268,853.60 : x
  2. Step 2: Convert to fraction form
    348,363.20/521,767.20 = 268,853.60/x
  3. Step 3: Cross multiply
    348,363.20x = 521,767.20 × 268,853.60
  4. Step 4: Simplify right side
    348,363.20x = 140,278,990,081.92
  5. Step 5: Solve for x
    x = 140,278,990,081.92/348,363.20
  6. Step 6: Final answer
    x = 402,680.28

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1.5x scale

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.