Home / 382,297.06-573,087.43-129,400.57

Finding the Fourth Proportional to 382,297.06, 573,087.43 and 129,400.57

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Solution

The fourth proportional to 382,297.06, 573,087.43 and 129,400.57 is: 193,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,297.06 : 573,087.43 = 129,400.57 : x
  2. Step 2: Convert to fraction form
    382,297.06/573,087.43 = 129,400.57/x
  3. Step 3: Cross multiply
    382,297.06x = 573,087.43 × 129,400.57
  4. Step 4: Simplify right side
    382,297.06x = 74,157,840,101.84
  5. Step 5: Solve for x
    x = 74,157,840,101.84/382,297.06
  6. Step 6: Final answer
    x = 193,979.62

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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.