Home / 299,176.29-448,761-85,949.43

Finding the Fourth Proportional to 299,176.29, 448,761 and 85,949.43

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Solution

The fourth proportional to 299,176.29, 448,761 and 85,949.43 is: 128,923.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,176.29 : 448,761 = 85,949.43 : x
  2. Step 2: Convert to fraction form
    299,176.29/448,761 = 85,949.43/x
  3. Step 3: Cross multiply
    299,176.29x = 448,761 × 85,949.43
  4. Step 4: Simplify right side
    299,176.29x = 38,570,752,156.23
  5. Step 5: Solve for x
    x = 38,570,752,156.23/299,176.29
  6. Step 6: Final answer
    x = 128,923.16

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1.5x scale

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.