Home / 325,292.28-488,230-272,315.84

Finding the Fourth Proportional to 325,292.28, 488,230 and 272,315.84

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Solution

The fourth proportional to 325,292.28, 488,230 and 272,315.84 is: 408,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,292.28 : 488,230 = 272,315.84 : x
  2. Step 2: Convert to fraction form
    325,292.28/488,230 = 272,315.84/x
  3. Step 3: Cross multiply
    325,292.28x = 488,230 × 272,315.84
  4. Step 4: Simplify right side
    325,292.28x = 132,952,762,563.20
  5. Step 5: Solve for x
    x = 132,952,762,563.20/325,292.28
  6. Step 6: Final answer
    x = 408,717.85

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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.