Home / 382,129.40-573,194.10-157,415.15

Finding the Fourth Proportional to 382,129.40, 573,194.10 and 157,415.15

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Solution

The fourth proportional to 382,129.40, 573,194.10 and 157,415.15 is: 236,122.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,129.40 : 573,194.10 = 157,415.15 : x
  2. Step 2: Convert to fraction form
    382,129.40/573,194.10 = 157,415.15/x
  3. Step 3: Cross multiply
    382,129.40x = 573,194.10 × 157,415.15
  4. Step 4: Simplify right side
    382,129.40x = 90,229,435,230.62
  5. Step 5: Solve for x
    x = 90,229,435,230.62/382,129.40
  6. Step 6: Final answer
    x = 236,122.73

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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.