Home / 438,107.55-604,577.25-247,105.86

Finding the Fourth Proportional to 438,107.55, 604,577.25 and 247,105.86

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Solution

The fourth proportional to 438,107.55, 604,577.25 and 247,105.86 is: 340,999.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,107.55 : 604,577.25 = 247,105.86 : x
  2. Step 2: Convert to fraction form
    438,107.55/604,577.25 = 247,105.86/x
  3. Step 3: Cross multiply
    438,107.55x = 604,577.25 × 247,105.86
  4. Step 4: Simplify right side
    438,107.55x = 149,394,581,297.69
  5. Step 5: Solve for x
    x = 149,394,581,297.69/438,107.55
  6. Step 6: Final answer
    x = 340,999.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.