Home / 296,819.52-409,663.56-225,078.60

Finding the Fourth Proportional to 296,819.52, 409,663.56 and 225,078.60

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Solution

The fourth proportional to 296,819.52, 409,663.56 and 225,078.60 is: 310,648.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,819.52 : 409,663.56 = 225,078.60 : x
  2. Step 2: Convert to fraction form
    296,819.52/409,663.56 = 225,078.60/x
  3. Step 3: Cross multiply
    296,819.52x = 409,663.56 × 225,078.60
  4. Step 4: Simplify right side
    296,819.52x = 92,206,500,555.82
  5. Step 5: Solve for x
    x = 92,206,500,555.82/296,819.52
  6. Step 6: Final answer
    x = 310,648.37

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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.