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Finding the Fourth Proportional to 360,314.66, 497,234.06 and 199,169.78

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Solution

The fourth proportional to 360,314.66, 497,234.06 and 199,169.78 is: 274,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,314.66 : 497,234.06 = 199,169.78 : x
  2. Step 2: Convert to fraction form
    360,314.66/497,234.06 = 199,169.78/x
  3. Step 3: Cross multiply
    360,314.66x = 497,234.06 × 199,169.78
  4. Step 4: Simplify right side
    360,314.66x = 99,033,998,338.71
  5. Step 5: Solve for x
    x = 99,033,998,338.71/360,314.66
  6. Step 6: Final answer
    x = 274,854.20

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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.