Home / 247,605.15-342,015.63-204,757.72

Finding the Fourth Proportional to 247,605.15, 342,015.63 and 204,757.72

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Solution

The fourth proportional to 247,605.15, 342,015.63 and 204,757.72 is: 282,830.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,605.15 : 342,015.63 = 204,757.72 : x
  2. Step 2: Convert to fraction form
    247,605.15/342,015.63 = 204,757.72/x
  3. Step 3: Cross multiply
    247,605.15x = 342,015.63 × 204,757.72
  4. Step 4: Simplify right side
    247,605.15x = 70,030,340,132.05
  5. Step 5: Solve for x
    x = 70,030,340,132.05/247,605.15
  6. Step 6: Final answer
    x = 282,830.71

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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.