Home / 361,279.12-498,565.12-200,144.64

Finding the Fourth Proportional to 361,279.12, 498,565.12 and 200,144.64

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Solution

The fourth proportional to 361,279.12, 498,565.12 and 200,144.64 is: 276,199.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,279.12 : 498,565.12 = 200,144.64 : x
  2. Step 2: Convert to fraction form
    361,279.12/498,565.12 = 200,144.64/x
  3. Step 3: Cross multiply
    361,279.12x = 498,565.12 × 200,144.64
  4. Step 4: Simplify right side
    361,279.12x = 99,785,136,458.96
  5. Step 5: Solve for x
    x = 99,785,136,458.96/361,279.12
  6. Step 6: Final answer
    x = 276,199.57

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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.