Home / 289,184.22-433,763.55-78,822.18

Finding the Fourth Proportional to 289,184.22, 433,763.55 and 78,822.18

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Solution

The fourth proportional to 289,184.22, 433,763.55 and 78,822.18 is: 118,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,184.22 : 433,763.55 = 78,822.18 : x
  2. Step 2: Convert to fraction form
    289,184.22/433,763.55 = 78,822.18/x
  3. Step 3: Cross multiply
    289,184.22x = 433,763.55 × 78,822.18
  4. Step 4: Simplify right side
    289,184.22x = 34,190,188,615.54
  5. Step 5: Solve for x
    x = 34,190,188,615.54/289,184.22
  6. Step 6: Final answer
    x = 118,229.79

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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.