Home / 443,868.12-612,537.90-242,664.12

Finding the Fourth Proportional to 443,868.12, 612,537.90 and 242,664.12

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Solution

The fourth proportional to 443,868.12, 612,537.90 and 242,664.12 is: 334,876.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,868.12 : 612,537.90 = 242,664.12 : x
  2. Step 2: Convert to fraction form
    443,868.12/612,537.90 = 242,664.12/x
  3. Step 3: Cross multiply
    443,868.12x = 612,537.90 × 242,664.12
  4. Step 4: Simplify right side
    443,868.12x = 148,640,970,470.15
  5. Step 5: Solve for x
    x = 148,640,970,470.15/443,868.12
  6. Step 6: Final answer
    x = 334,876.43

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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.