Home / 207,237.20-310,910.46-87,304.82

Finding the Fourth Proportional to 207,237.20, 310,910.46 and 87,304.82

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Solution

The fourth proportional to 207,237.20, 310,910.46 and 87,304.82 is: 130,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,237.20 : 310,910.46 = 87,304.82 : x
  2. Step 2: Convert to fraction form
    207,237.20/310,910.46 = 87,304.82/x
  3. Step 3: Cross multiply
    207,237.20x = 310,910.46 × 87,304.82
  4. Step 4: Simplify right side
    207,237.20x = 27,143,981,746.42
  5. Step 5: Solve for x
    x = 27,143,981,746.42/207,237.20
  6. Step 6: Final answer
    x = 130,980.26

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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.