Home / 199,445.28-299,169.20-49,685.92

Finding the Fourth Proportional to 199,445.28, 299,169.20 and 49,685.92

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Solution

The fourth proportional to 199,445.28, 299,169.20 and 49,685.92 is: 74,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,445.28 : 299,169.20 = 49,685.92 : x
  2. Step 2: Convert to fraction form
    199,445.28/299,169.20 = 49,685.92/x
  3. Step 3: Cross multiply
    199,445.28x = 299,169.20 × 49,685.92
  4. Step 4: Simplify right side
    199,445.28x = 14,864,496,937.66
  5. Step 5: Solve for x
    x = 14,864,496,937.66/199,445.28
  6. Step 6: Final answer
    x = 74,529.20

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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.