Home / 449,151-619,828.38-247,948.44

Finding the Fourth Proportional to 449,151, 619,828.38 and 247,948.44

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Solution

The fourth proportional to 449,151, 619,828.38 and 247,948.44 is: 342,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,151 : 619,828.38 = 247,948.44 : x
  2. Step 2: Convert to fraction form
    449,151/619,828.38 = 247,948.44/x
  3. Step 3: Cross multiply
    449,151x = 619,828.38 × 247,948.44
  4. Step 4: Simplify right side
    449,151x = 153,685,479,888.73
  5. Step 5: Solve for x
    x = 153,685,479,888.73/449,151
  6. Step 6: Final answer
    x = 342,168.85

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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.