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Finding the Fourth Proportional to 352,650.20, 486,657.36 and 201,747.20

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Solution

The fourth proportional to 352,650.20, 486,657.36 and 201,747.20 is: 278,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,650.20 : 486,657.36 = 201,747.20 : x
  2. Step 2: Convert to fraction form
    352,650.20/486,657.36 = 201,747.20/x
  3. Step 3: Cross multiply
    352,650.20x = 486,657.36 × 201,747.20
  4. Step 4: Simplify right side
    352,650.20x = 98,181,757,306.11
  5. Step 5: Solve for x
    x = 98,181,757,306.11/352,650.20
  6. Step 6: Final answer
    x = 278,411.18

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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.