Home / 326,930.50-490,423.92-90,273.22

Finding the Fourth Proportional to 326,930.50, 490,423.92 and 90,273.22

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Solution

The fourth proportional to 326,930.50, 490,423.92 and 90,273.22 is: 135,417.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,930.50 : 490,423.92 = 90,273.22 : x
  2. Step 2: Convert to fraction form
    326,930.50/490,423.92 = 90,273.22/x
  3. Step 3: Cross multiply
    326,930.50x = 490,423.92 × 90,273.22
  4. Step 4: Simplify right side
    326,930.50x = 44,272,146,423.42
  5. Step 5: Solve for x
    x = 44,272,146,423.42/326,930.50
  6. Step 6: Final answer
    x = 135,417.61

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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.