Home / 326,817.17-490,115.52-124,365.22

Finding the Fourth Proportional to 326,817.17, 490,115.52 and 124,365.22

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Solution

The fourth proportional to 326,817.17, 490,115.52 and 124,365.22 is: 186,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,817.17 : 490,115.52 = 124,365.22 : x
  2. Step 2: Convert to fraction form
    326,817.17/490,115.52 = 124,365.22/x
  3. Step 3: Cross multiply
    326,817.17x = 490,115.52 × 124,365.22
  4. Step 4: Simplify right side
    326,817.17x = 60,953,324,470.21
  5. Step 5: Solve for x
    x = 60,953,324,470.21/326,817.17
  6. Step 6: Final answer
    x = 186,505.88

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1.5x scale

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.