Home / 435,481.05-653,262.66-169,261.95

Finding the Fourth Proportional to 435,481.05, 653,262.66 and 169,261.95

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Solution

The fourth proportional to 435,481.05, 653,262.66 and 169,261.95 is: 253,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,481.05 : 653,262.66 = 169,261.95 : x
  2. Step 2: Convert to fraction form
    435,481.05/653,262.66 = 169,261.95/x
  3. Step 3: Cross multiply
    435,481.05x = 653,262.66 × 169,261.95
  4. Step 4: Simplify right side
    435,481.05x = 110,572,511,693.79
  5. Step 5: Solve for x
    x = 110,572,511,693.79/435,481.05
  6. Step 6: Final answer
    x = 253,908.89

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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.