Home / 218,955.38-328,433.09-52,743.38

Finding the Fourth Proportional to 218,955.38, 328,433.09 and 52,743.38

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Solution

The fourth proportional to 218,955.38, 328,433.09 and 52,743.38 is: 79,115.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,955.38 : 328,433.09 = 52,743.38 : x
  2. Step 2: Convert to fraction form
    218,955.38/328,433.09 = 52,743.38/x
  3. Step 3: Cross multiply
    218,955.38x = 328,433.09 × 52,743.38
  4. Step 4: Simplify right side
    218,955.38x = 17,322,669,364.56
  5. Step 5: Solve for x
    x = 17,322,669,364.56/218,955.38
  6. Step 6: Final answer
    x = 79,115.07

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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.