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Finding the Fourth Proportional to 360,874.38, 498,007.71 and 199,740.62

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Solution

The fourth proportional to 360,874.38, 498,007.71 and 199,740.62 is: 275,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,874.38 : 498,007.71 = 199,740.62 : x
  2. Step 2: Convert to fraction form
    360,874.38/498,007.71 = 199,740.62/x
  3. Step 3: Cross multiply
    360,874.38x = 498,007.71 × 199,740.62
  4. Step 4: Simplify right side
    360,874.38x = 99,472,368,760.18
  5. Step 5: Solve for x
    x = 99,472,368,760.18/360,874.38
  6. Step 6: Final answer
    x = 275,642.65

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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.