Home / 399,984.89-552,118.07-230,286.65

Finding the Fourth Proportional to 399,984.89, 552,118.07 and 230,286.65

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Solution

The fourth proportional to 399,984.89, 552,118.07 and 230,286.65 is: 317,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,984.89 : 552,118.07 = 230,286.65 : x
  2. Step 2: Convert to fraction form
    399,984.89/552,118.07 = 230,286.65/x
  3. Step 3: Cross multiply
    399,984.89x = 552,118.07 × 230,286.65
  4. Step 4: Simplify right side
    399,984.89x = 127,145,418,559.89
  5. Step 5: Solve for x
    x = 127,145,418,559.89/399,984.89
  6. Step 6: Final answer
    x = 317,875.56

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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.