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Finding the Fourth Proportional to 299,175.68, 448,760.04 and 85,948.84

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Solution

The fourth proportional to 299,175.68, 448,760.04 and 85,948.84 is: 128,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,175.68 : 448,760.04 = 85,948.84 : x
  2. Step 2: Convert to fraction form
    299,175.68/448,760.04 = 85,948.84/x
  3. Step 3: Cross multiply
    299,175.68x = 448,760.04 × 85,948.84
  4. Step 4: Simplify right side
    299,175.68x = 38,570,404,876.35
  5. Step 5: Solve for x
    x = 38,570,404,876.35/299,175.68
  6. Step 6: Final answer
    x = 128,922.26

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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.