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Finding the Fourth Proportional to 288,777.42, 433,239.93 and 111,236.76

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Solution

The fourth proportional to 288,777.42, 433,239.93 and 111,236.76 is: 166,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,777.42 : 433,239.93 = 111,236.76 : x
  2. Step 2: Convert to fraction form
    288,777.42/433,239.93 = 111,236.76/x
  3. Step 3: Cross multiply
    288,777.42x = 433,239.93 × 111,236.76
  4. Step 4: Simplify right side
    288,777.42x = 48,192,206,115.83
  5. Step 5: Solve for x
    x = 48,192,206,115.83/288,777.42
  6. Step 6: Final answer
    x = 166,883.57

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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.