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Finding the Fourth Proportional to 299,171.67, 448,754.05 and 85,944.84

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Solution

The fourth proportional to 299,171.67, 448,754.05 and 85,944.84 is: 128,916.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,171.67 : 448,754.05 = 85,944.84 : x
  2. Step 2: Convert to fraction form
    299,171.67/448,754.05 = 85,944.84/x
  3. Step 3: Cross multiply
    299,171.67x = 448,754.05 × 85,944.84
  4. Step 4: Simplify right side
    299,171.67x = 38,568,095,026.60
  5. Step 5: Solve for x
    x = 38,568,095,026.60/299,171.67
  6. Step 6: Final answer
    x = 128,916.27

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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.