Home / 206,864.20-310,290.09-57,113.63

Finding the Fourth Proportional to 206,864.20, 310,290.09 and 57,113.63

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Solution

The fourth proportional to 206,864.20, 310,290.09 and 57,113.63 is: 85,668.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,864.20 : 310,290.09 = 57,113.63 : x
  2. Step 2: Convert to fraction form
    206,864.20/310,290.09 = 57,113.63/x
  3. Step 3: Cross multiply
    206,864.20x = 310,290.09 × 57,113.63
  4. Step 4: Simplify right side
    206,864.20x = 17,721,791,984.26
  5. Step 5: Solve for x
    x = 17,721,791,984.26/206,864.20
  6. Step 6: Final answer
    x = 85,668.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.