Home / 243,219.52-364,581.42-137,815.84

Finding the Fourth Proportional to 243,219.52, 364,581.42 and 137,815.84

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Solution

The fourth proportional to 243,219.52, 364,581.42 and 137,815.84 is: 206,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,219.52 : 364,581.42 = 137,815.84 : x
  2. Step 2: Convert to fraction form
    243,219.52/364,581.42 = 137,815.84/x
  3. Step 3: Cross multiply
    243,219.52x = 364,581.42 × 137,815.84
  4. Step 4: Simplify right side
    243,219.52x = 50,245,094,645.69
  5. Step 5: Solve for x
    x = 50,245,094,645.69/243,219.52
  6. Step 6: Final answer
    x = 206,583.31

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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.