Home / 438,995.54-658,493.14-123,452.43

Finding the Fourth Proportional to 438,995.54, 658,493.14 and 123,452.43

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Solution

The fourth proportional to 438,995.54, 658,493.14 and 123,452.43 is: 185,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,995.54 : 658,493.14 = 123,452.43 : x
  2. Step 2: Convert to fraction form
    438,995.54/658,493.14 = 123,452.43/x
  3. Step 3: Cross multiply
    438,995.54x = 658,493.14 × 123,452.43
  4. Step 4: Simplify right side
    438,995.54x = 81,292,578,271.33
  5. Step 5: Solve for x
    x = 81,292,578,271.33/438,995.54
  6. Step 6: Final answer
    x = 185,178.60

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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.