Home / 204,284.16-306,439.20-99,074.88

Finding the Fourth Proportional to 204,284.16, 306,439.20 and 99,074.88

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Solution

The fourth proportional to 204,284.16, 306,439.20 and 99,074.88 is: 148,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,284.16 : 306,439.20 = 99,074.88 : x
  2. Step 2: Convert to fraction form
    204,284.16/306,439.20 = 99,074.88/x
  3. Step 3: Cross multiply
    204,284.16x = 306,439.20 × 99,074.88
  4. Step 4: Simplify right side
    204,284.16x = 30,360,426,967.30
  5. Step 5: Solve for x
    x = 30,360,426,967.30/204,284.16
  6. Step 6: Final answer
    x = 148,618.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.