Home / 326,823.66-490,263.73-90,166.33

Finding the Fourth Proportional to 326,823.66, 490,263.73 and 90,166.33

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Solution

The fourth proportional to 326,823.66, 490,263.73 and 90,166.33 is: 135,257.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,823.66 : 490,263.73 = 90,166.33 : x
  2. Step 2: Convert to fraction form
    326,823.66/490,263.73 = 90,166.33/x
  3. Step 3: Cross multiply
    326,823.66x = 490,263.73 × 90,166.33
  4. Step 4: Simplify right side
    326,823.66x = 44,205,281,266.21
  5. Step 5: Solve for x
    x = 44,205,281,266.21/326,823.66
  6. Step 6: Final answer
    x = 135,257.29

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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.