Home / 326,769.26-490,345.74-137,215.04

Finding the Fourth Proportional to 326,769.26, 490,345.74 and 137,215.04

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Solution

The fourth proportional to 326,769.26, 490,345.74 and 137,215.04 is: 205,903.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,769.26 : 490,345.74 = 137,215.04 : x
  2. Step 2: Convert to fraction form
    326,769.26/490,345.74 = 137,215.04/x
  3. Step 3: Cross multiply
    326,769.26x = 490,345.74 × 137,215.04
  4. Step 4: Simplify right side
    326,769.26x = 67,282,807,876.20
  5. Step 5: Solve for x
    x = 67,282,807,876.20/326,769.26
  6. Step 6: Final answer
    x = 205,903.12

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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.