Home / 449,627.22-674,485.67-129,786.84

Finding the Fourth Proportional to 449,627.22, 674,485.67 and 129,786.84

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Solution

The fourth proportional to 449,627.22, 674,485.67 and 129,786.84 is: 194,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,627.22 : 674,485.67 = 129,786.84 : x
  2. Step 2: Convert to fraction form
    449,627.22/674,485.67 = 129,786.84/x
  3. Step 3: Cross multiply
    449,627.22x = 674,485.67 × 129,786.84
  4. Step 4: Simplify right side
    449,627.22x = 87,539,363,734.58
  5. Step 5: Solve for x
    x = 87,539,363,734.58/449,627.22
  6. Step 6: Final answer
    x = 194,693.20

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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.