Home / 313,731.52-432,730.56-206,267.20

Finding the Fourth Proportional to 313,731.52, 432,730.56 and 206,267.20

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Solution

The fourth proportional to 313,731.52, 432,730.56 and 206,267.20 is: 284,504.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,731.52 : 432,730.56 = 206,267.20 : x
  2. Step 2: Convert to fraction form
    313,731.52/432,730.56 = 206,267.20/x
  3. Step 3: Cross multiply
    313,731.52x = 432,730.56 × 206,267.20
  4. Step 4: Simplify right side
    313,731.52x = 89,258,120,965.63
  5. Step 5: Solve for x
    x = 89,258,120,965.63/313,731.52
  6. Step 6: Final answer
    x = 284,504.79

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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.