Home / 421,821.88-582,103.46-249,742.04

Finding the Fourth Proportional to 421,821.88, 582,103.46 and 249,742.04

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Solution

The fourth proportional to 421,821.88, 582,103.46 and 249,742.04 is: 344,637.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,821.88 : 582,103.46 = 249,742.04 : x
  2. Step 2: Convert to fraction form
    421,821.88/582,103.46 = 249,742.04/x
  3. Step 3: Cross multiply
    421,821.88x = 582,103.46 × 249,742.04
  4. Step 4: Simplify right side
    421,821.88x = 145,375,703,305.30
  5. Step 5: Solve for x
    x = 145,375,703,305.30/421,821.88
  6. Step 6: Final answer
    x = 344,637.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.