Home / 199,447.28-299,172.20-49,687.92

Finding the Fourth Proportional to 199,447.28, 299,172.20 and 49,687.92

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Solution

The fourth proportional to 199,447.28, 299,172.20 and 49,687.92 is: 74,532.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,447.28 : 299,172.20 = 49,687.92 : x
  2. Step 2: Convert to fraction form
    199,447.28/299,172.20 = 49,687.92/x
  3. Step 3: Cross multiply
    199,447.28x = 299,172.20 × 49,687.92
  4. Step 4: Simplify right side
    199,447.28x = 14,865,244,339.82
  5. Step 5: Solve for x
    x = 14,865,244,339.82/199,447.28
  6. Step 6: Final answer
    x = 74,532.20

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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.