Home / 438,548.37-658,023.44-238,569.09

Finding the Fourth Proportional to 438,548.37, 658,023.44 and 238,569.09

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Solution

The fourth proportional to 438,548.37, 658,023.44 and 238,569.09 is: 357,962.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,548.37 : 658,023.44 = 238,569.09 : x
  2. Step 2: Convert to fraction form
    438,548.37/658,023.44 = 238,569.09/x
  3. Step 3: Cross multiply
    438,548.37x = 658,023.44 × 238,569.09
  4. Step 4: Simplify right side
    438,548.37x = 156,984,052,086.62
  5. Step 5: Solve for x
    x = 156,984,052,086.62/438,548.37
  6. Step 6: Final answer
    x = 357,962.91

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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.