Home / 304,338.48-420,044.76-203,910.96

Finding the Fourth Proportional to 304,338.48, 420,044.76 and 203,910.96

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Solution

The fourth proportional to 304,338.48, 420,044.76 and 203,910.96 is: 281,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,338.48 : 420,044.76 = 203,910.96 : x
  2. Step 2: Convert to fraction form
    304,338.48/420,044.76 = 203,910.96/x
  3. Step 3: Cross multiply
    304,338.48x = 420,044.76 × 203,910.96
  4. Step 4: Simplify right side
    304,338.48x = 85,651,730,254.57
  5. Step 5: Solve for x
    x = 85,651,730,254.57/304,338.48
  6. Step 6: Final answer
    x = 281,435.76

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1.5x scale

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.