Home / 326,952.06-490,434.24-90,301.02

Finding the Fourth Proportional to 326,952.06, 490,434.24 and 90,301.02

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Solution

The fourth proportional to 326,952.06, 490,434.24 and 90,301.02 is: 135,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,952.06 : 490,434.24 = 90,301.02 : x
  2. Step 2: Convert to fraction form
    326,952.06/490,434.24 = 90,301.02/x
  3. Step 3: Cross multiply
    326,952.06x = 490,434.24 × 90,301.02
  4. Step 4: Simplify right side
    326,952.06x = 44,286,712,114.92
  5. Step 5: Solve for x
    x = 44,286,712,114.92/326,952.06
  6. Step 6: Final answer
    x = 135,453.23

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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.