Home / 204,944.28-307,520.96-138,244.62

Finding the Fourth Proportional to 204,944.28, 307,520.96 and 138,244.62

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Solution

The fourth proportional to 204,944.28, 307,520.96 and 138,244.62 is: 207,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,944.28 : 307,520.96 = 138,244.62 : x
  2. Step 2: Convert to fraction form
    204,944.28/307,520.96 = 138,244.62/x
  3. Step 3: Cross multiply
    204,944.28x = 307,520.96 × 138,244.62
  4. Step 4: Simplify right side
    204,944.28x = 42,513,118,719.22
  5. Step 5: Solve for x
    x = 42,513,118,719.22/204,944.28
  6. Step 6: Final answer
    x = 207,437.45

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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.