Home / 221,002.40-304,977.48-125,513.12

Finding the Fourth Proportional to 221,002.40, 304,977.48 and 125,513.12

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Solution

The fourth proportional to 221,002.40, 304,977.48 and 125,513.12 is: 173,204.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,002.40 : 304,977.48 = 125,513.12 : x
  2. Step 2: Convert to fraction form
    221,002.40/304,977.48 = 125,513.12/x
  3. Step 3: Cross multiply
    221,002.40x = 304,977.48 × 125,513.12
  4. Step 4: Simplify right side
    221,002.40x = 38,278,675,044.54
  5. Step 5: Solve for x
    x = 38,278,675,044.54/221,002.40
  6. Step 6: Final answer
    x = 173,204.79

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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.