Home / 305,930.47-458,738.13-137,306.24

Finding the Fourth Proportional to 305,930.47, 458,738.13 and 137,306.24

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Solution

The fourth proportional to 305,930.47, 458,738.13 and 137,306.24 is: 205,888.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,930.47 : 458,738.13 = 137,306.24 : x
  2. Step 2: Convert to fraction form
    305,930.47/458,738.13 = 137,306.24/x
  3. Step 3: Cross multiply
    305,930.47x = 458,738.13 × 137,306.24
  4. Step 4: Simplify right side
    305,930.47x = 62,987,607,716.41
  5. Step 5: Solve for x
    x = 62,987,607,716.41/305,930.47
  6. Step 6: Final answer
    x = 205,888.64

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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.