Home / 438,800.24-658,125.09-139,214.04

Finding the Fourth Proportional to 438,800.24, 658,125.09 and 139,214.04

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Solution

The fourth proportional to 438,800.24, 658,125.09 and 139,214.04 is: 208,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,800.24 : 658,125.09 = 139,214.04 : x
  2. Step 2: Convert to fraction form
    438,800.24/658,125.09 = 139,214.04/x
  3. Step 3: Cross multiply
    438,800.24x = 658,125.09 × 139,214.04
  4. Step 4: Simplify right side
    438,800.24x = 91,620,252,604.26
  5. Step 5: Solve for x
    x = 91,620,252,604.26/438,800.24
  6. Step 6: Final answer
    x = 208,797.18

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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.