Home / 288,789.97-433,258.85-111,249.31

Finding the Fourth Proportional to 288,789.97, 433,258.85 and 111,249.31

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Solution

The fourth proportional to 288,789.97, 433,258.85 and 111,249.31 is: 166,902.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,789.97 : 433,258.85 = 111,249.31 : x
  2. Step 2: Convert to fraction form
    288,789.97/433,258.85 = 111,249.31/x
  3. Step 3: Cross multiply
    288,789.97x = 433,258.85 × 111,249.31
  4. Step 4: Simplify right side
    288,789.97x = 48,199,748,113.89
  5. Step 5: Solve for x
    x = 48,199,748,113.89/288,789.97
  6. Step 6: Final answer
    x = 166,902.43

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1.5x scale

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.