Home / 439,283.81-658,676.03-172,899.92

Finding the Fourth Proportional to 439,283.81, 658,676.03 and 172,899.92

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Solution

The fourth proportional to 439,283.81, 658,676.03 and 172,899.92 is: 259,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,283.81 : 658,676.03 = 172,899.92 : x
  2. Step 2: Convert to fraction form
    439,283.81/658,676.03 = 172,899.92/x
  3. Step 3: Cross multiply
    439,283.81x = 658,676.03 × 172,899.92
  4. Step 4: Simplify right side
    439,283.81x = 113,885,028,735.04
  5. Step 5: Solve for x
    x = 113,885,028,735.04/439,283.81
  6. Step 6: Final answer
    x = 259,251.60

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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.