Home / 207,440.66-310,631.47-165,382.09

Finding the Fourth Proportional to 207,440.66, 310,631.47 and 165,382.09

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Solution

The fourth proportional to 207,440.66, 310,631.47 and 165,382.09 is: 247,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,440.66 : 310,631.47 = 165,382.09 : x
  2. Step 2: Convert to fraction form
    207,440.66/310,631.47 = 165,382.09/x
  3. Step 3: Cross multiply
    207,440.66x = 310,631.47 × 165,382.09
  4. Step 4: Simplify right side
    207,440.66x = 51,372,880,538.34
  5. Step 5: Solve for x
    x = 51,372,880,538.34/207,440.66
  6. Step 6: Final answer
    x = 247,650.97

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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.