Home / 288,977.11-433,589.70-111,608.68

Finding the Fourth Proportional to 288,977.11, 433,589.70 and 111,608.68

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Solution

The fourth proportional to 288,977.11, 433,589.70 and 111,608.68 is: 167,460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,977.11 : 433,589.70 = 111,608.68 : x
  2. Step 2: Convert to fraction form
    288,977.11/433,589.70 = 111,608.68/x
  3. Step 3: Cross multiply
    288,977.11x = 433,589.70 × 111,608.68
  4. Step 4: Simplify right side
    288,977.11x = 48,392,374,078.60
  5. Step 5: Solve for x
    x = 48,392,374,078.60/288,977.11
  6. Step 6: Final answer
    x = 167,460.92

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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.