Home / 439,431.30-658,851.03-158,912.10

Finding the Fourth Proportional to 439,431.30, 658,851.03 and 158,912.10

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Solution

The fourth proportional to 439,431.30, 658,851.03 and 158,912.10 is: 238,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,431.30 : 658,851.03 = 158,912.10 : x
  2. Step 2: Convert to fraction form
    439,431.30/658,851.03 = 158,912.10/x
  3. Step 3: Cross multiply
    439,431.30x = 658,851.03 × 158,912.10
  4. Step 4: Simplify right side
    439,431.30x = 104,699,400,764.46
  5. Step 5: Solve for x
    x = 104,699,400,764.46/439,431.30
  6. Step 6: Final answer
    x = 238,261.14

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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.