Home / 449,746.54-674,520.44-129,828.88

Finding the Fourth Proportional to 449,746.54, 674,520.44 and 129,828.88

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Solution

The fourth proportional to 449,746.54, 674,520.44 and 129,828.88 is: 194,714.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,746.54 : 674,520.44 = 129,828.88 : x
  2. Step 2: Convert to fraction form
    449,746.54/674,520.44 = 129,828.88/x
  3. Step 3: Cross multiply
    449,746.54x = 674,520.44 × 129,828.88
  4. Step 4: Simplify right side
    449,746.54x = 87,572,233,262.31
  5. Step 5: Solve for x
    x = 87,572,233,262.31/449,746.54
  6. Step 6: Final answer
    x = 194,714.63

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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.