Home / 288,770.16-433,229.06-111,229.50

Finding the Fourth Proportional to 288,770.16, 433,229.06 and 111,229.50

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Solution

The fourth proportional to 288,770.16, 433,229.06 and 111,229.50 is: 166,872.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,770.16 : 433,229.06 = 111,229.50 : x
  2. Step 2: Convert to fraction form
    288,770.16/433,229.06 = 111,229.50/x
  3. Step 3: Cross multiply
    288,770.16x = 433,229.06 × 111,229.50
  4. Step 4: Simplify right side
    288,770.16x = 48,187,851,729.27
  5. Step 5: Solve for x
    x = 48,187,851,729.27/288,770.16
  6. Step 6: Final answer
    x = 166,872.68

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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.