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Finding the Fourth Proportional to 360,565.22, 497,560.47 and 199,410.86

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Solution

The fourth proportional to 360,565.22, 497,560.47 and 199,410.86 is: 275,176.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,565.22 : 497,560.47 = 199,410.86 : x
  2. Step 2: Convert to fraction form
    360,565.22/497,560.47 = 199,410.86/x
  3. Step 3: Cross multiply
    360,565.22x = 497,560.47 × 199,410.86
  4. Step 4: Simplify right side
    360,565.22x = 99,218,961,224.70
  5. Step 5: Solve for x
    x = 99,218,961,224.70/360,565.22
  6. Step 6: Final answer
    x = 275,176.18

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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.