Home / 325,604.20-489,155.10-229,762.12

Finding the Fourth Proportional to 325,604.20, 489,155.10 and 229,762.12

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Solution

The fourth proportional to 325,604.20, 489,155.10 and 229,762.12 is: 345,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,604.20 : 489,155.10 = 229,762.12 : x
  2. Step 2: Convert to fraction form
    325,604.20/489,155.10 = 229,762.12/x
  3. Step 3: Cross multiply
    325,604.20x = 489,155.10 × 229,762.12
  4. Step 4: Simplify right side
    325,604.20x = 112,389,312,784.81
  5. Step 5: Solve for x
    x = 112,389,312,784.81/325,604.20
  6. Step 6: Final answer
    x = 345,171.57

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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.