Home / 438,977.35-658,466.30-123,434.26

Finding the Fourth Proportional to 438,977.35, 658,466.30 and 123,434.26

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Solution

The fourth proportional to 438,977.35, 658,466.30 and 123,434.26 is: 185,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,977.35 : 658,466.30 = 123,434.26 : x
  2. Step 2: Convert to fraction form
    438,977.35/658,466.30 = 123,434.26/x
  3. Step 3: Cross multiply
    438,977.35x = 658,466.30 × 123,434.26
  4. Step 4: Simplify right side
    438,977.35x = 81,277,298,212.10
  5. Step 5: Solve for x
    x = 81,277,298,212.10/438,977.35
  6. Step 6: Final answer
    x = 185,151.46

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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.