Home / 299,948.10-413,940.87-172,624.02

Finding the Fourth Proportional to 299,948.10, 413,940.87 and 172,624.02

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Solution

The fourth proportional to 299,948.10, 413,940.87 and 172,624.02 is: 238,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,948.10 : 413,940.87 = 172,624.02 : x
  2. Step 2: Convert to fraction form
    299,948.10/413,940.87 = 172,624.02/x
  3. Step 3: Cross multiply
    299,948.10x = 413,940.87 × 172,624.02
  4. Step 4: Simplify right side
    299,948.10x = 71,456,137,021.70
  5. Step 5: Solve for x
    x = 71,456,137,021.70/299,948.10
  6. Step 6: Final answer
    x = 238,228.34

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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.