Home / 353,918.25-488,407.19-203,063.85

Finding the Fourth Proportional to 353,918.25, 488,407.19 and 203,063.85

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Solution

The fourth proportional to 353,918.25, 488,407.19 and 203,063.85 is: 280,228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,918.25 : 488,407.19 = 203,063.85 : x
  2. Step 2: Convert to fraction form
    353,918.25/488,407.19 = 203,063.85/x
  3. Step 3: Cross multiply
    353,918.25x = 488,407.19 × 203,063.85
  4. Step 4: Simplify right side
    353,918.25x = 99,177,843,353.76
  5. Step 5: Solve for x
    x = 99,177,843,353.76/353,918.25
  6. Step 6: Final answer
    x = 280,228.11

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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.