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Finding the Fourth Proportional to 288,768.91, 433,227.18 and 111,228.25

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Solution

The fourth proportional to 288,768.91, 433,227.18 and 111,228.25 is: 166,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,768.91 : 433,227.18 = 111,228.25 : x
  2. Step 2: Convert to fraction form
    288,768.91/433,227.18 = 111,228.25/x
  3. Step 3: Cross multiply
    288,768.91x = 433,227.18 × 111,228.25
  4. Step 4: Simplify right side
    288,768.91x = 48,187,101,083.84
  5. Step 5: Solve for x
    x = 48,187,101,083.84/288,768.91
  6. Step 6: Final answer
    x = 166,870.81

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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.