Home / 438,984.25-658,476.61-123,441.17

Finding the Fourth Proportional to 438,984.25, 658,476.61 and 123,441.17

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Solution

The fourth proportional to 438,984.25, 658,476.61 and 123,441.17 is: 185,161.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,984.25 : 658,476.61 = 123,441.17 : x
  2. Step 2: Convert to fraction form
    438,984.25/658,476.61 = 123,441.17/x
  3. Step 3: Cross multiply
    438,984.25x = 658,476.61 × 123,441.17
  4. Step 4: Simplify right side
    438,984.25x = 81,283,119,555.05
  5. Step 5: Solve for x
    x = 81,283,119,555.05/438,984.25
  6. Step 6: Final answer
    x = 185,161.81

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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.