Home / 206,864.32-310,290.28-57,113.75

Finding the Fourth Proportional to 206,864.32, 310,290.28 and 57,113.75

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Solution

The fourth proportional to 206,864.32, 310,290.28 and 57,113.75 is: 85,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,864.32 : 310,290.28 = 57,113.75 : x
  2. Step 2: Convert to fraction form
    206,864.32/310,290.28 = 57,113.75/x
  3. Step 3: Cross multiply
    206,864.32x = 310,290.28 × 57,113.75
  4. Step 4: Simplify right side
    206,864.32x = 17,721,841,479.35
  5. Step 5: Solve for x
    x = 17,721,841,479.35/206,864.32
  6. Step 6: Final answer
    x = 85,668.91

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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.