Home / 240,786.24-331,524.72-212,088

Finding the Fourth Proportional to 240,786.24, 331,524.72 and 212,088

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Solution

The fourth proportional to 240,786.24, 331,524.72 and 212,088 is: 292,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,786.24 : 331,524.72 = 212,088 : x
  2. Step 2: Convert to fraction form
    240,786.24/331,524.72 = 212,088/x
  3. Step 3: Cross multiply
    240,786.24x = 331,524.72 × 212,088
  4. Step 4: Simplify right side
    240,786.24x = 70,312,414,815.36
  5. Step 5: Solve for x
    x = 70,312,414,815.36/240,786.24
  6. Step 6: Final answer
    x = 292,011.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.