Home / 208,719.11-313,079.41-50,947.55

Finding the Fourth Proportional to 208,719.11, 313,079.41 and 50,947.55

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Solution

The fourth proportional to 208,719.11, 313,079.41 and 50,947.55 is: 76,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,719.11 : 313,079.41 = 50,947.55 : x
  2. Step 2: Convert to fraction form
    208,719.11/313,079.41 = 50,947.55/x
  3. Step 3: Cross multiply
    208,719.11x = 313,079.41 × 50,947.55
  4. Step 4: Simplify right side
    208,719.11x = 15,950,628,567.28
  5. Step 5: Solve for x
    x = 15,950,628,567.28/208,719.11
  6. Step 6: Final answer
    x = 76,421.50

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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.