Home / 207,231.30-310,440.21-107,456.72

Finding the Fourth Proportional to 207,231.30, 310,440.21 and 107,456.72

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Solution

The fourth proportional to 207,231.30, 310,440.21 and 107,456.72 is: 160,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,231.30 : 310,440.21 = 107,456.72 : x
  2. Step 2: Convert to fraction form
    207,231.30/310,440.21 = 107,456.72/x
  3. Step 3: Cross multiply
    207,231.30x = 310,440.21 × 107,456.72
  4. Step 4: Simplify right side
    207,231.30x = 33,358,885,170.51
  5. Step 5: Solve for x
    x = 33,358,885,170.51/207,231.30
  6. Step 6: Final answer
    x = 160,974.16

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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.