Home / 288,769.42-433,227.93-111,228.76

Finding the Fourth Proportional to 288,769.42, 433,227.93 and 111,228.76

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Solution

The fourth proportional to 288,769.42, 433,227.93 and 111,228.76 is: 166,871.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,769.42 : 433,227.93 = 111,228.76 : x
  2. Step 2: Convert to fraction form
    288,769.42/433,227.93 = 111,228.76/x
  3. Step 3: Cross multiply
    288,769.42x = 433,227.93 × 111,228.76
  4. Step 4: Simplify right side
    288,769.42x = 48,187,405,451.27
  5. Step 5: Solve for x
    x = 48,187,405,451.27/288,769.42
  6. Step 6: Final answer
    x = 166,871.57

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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.