Home / 299,746.28-449,609.04-75,108.68

Finding the Fourth Proportional to 299,746.28, 449,609.04 and 75,108.68

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Solution

The fourth proportional to 299,746.28, 449,609.04 and 75,108.68 is: 112,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,746.28 : 449,609.04 = 75,108.68 : x
  2. Step 2: Convert to fraction form
    299,746.28/449,609.04 = 75,108.68/x
  3. Step 3: Cross multiply
    299,746.28x = 449,609.04 × 75,108.68
  4. Step 4: Simplify right side
    299,746.28x = 33,769,541,510.47
  5. Step 5: Solve for x
    x = 33,769,541,510.47/299,746.28
  6. Step 6: Final answer
    x = 112,660.42

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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.