Home / 307,941.41-425,367.15-247,738.79

Finding the Fourth Proportional to 307,941.41, 425,367.15 and 247,738.79

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Solution

The fourth proportional to 307,941.41, 425,367.15 and 247,738.79 is: 342,207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,941.41 : 425,367.15 = 247,738.79 : x
  2. Step 2: Convert to fraction form
    307,941.41/425,367.15 = 247,738.79/x
  3. Step 3: Cross multiply
    307,941.41x = 425,367.15 × 247,738.79
  4. Step 4: Simplify right side
    307,941.41x = 105,379,943,046.75
  5. Step 5: Solve for x
    x = 105,379,943,046.75/307,941.41
  6. Step 6: Final answer
    x = 342,207.77

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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.