Home / 204,449.40-306,805.29-99,210.96

Finding the Fourth Proportional to 204,449.40, 306,805.29 and 99,210.96

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Solution

The fourth proportional to 204,449.40, 306,805.29 and 99,210.96 is: 148,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,449.40 : 306,805.29 = 99,210.96 : x
  2. Step 2: Convert to fraction form
    204,449.40/306,805.29 = 99,210.96/x
  3. Step 3: Cross multiply
    204,449.40x = 306,805.29 × 99,210.96
  4. Step 4: Simplify right side
    204,449.40x = 30,438,447,353.98
  5. Step 5: Solve for x
    x = 30,438,447,353.98/204,449.40
  6. Step 6: Final answer
    x = 148,880.10

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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.