Home / 449,512.74-674,535.13-165,402.80

Finding the Fourth Proportional to 449,512.74, 674,535.13 and 165,402.80

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Solution

The fourth proportional to 449,512.74, 674,535.13 and 165,402.80 is: 248,202.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,512.74 : 674,535.13 = 165,402.80 : x
  2. Step 2: Convert to fraction form
    449,512.74/674,535.13 = 165,402.80/x
  3. Step 3: Cross multiply
    449,512.74x = 674,535.13 × 165,402.80
  4. Step 4: Simplify right side
    449,512.74x = 111,569,999,200.36
  5. Step 5: Solve for x
    x = 111,569,999,200.36/449,512.74
  6. Step 6: Final answer
    x = 248,202.08

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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.