Home / 209,306.94-313,957.85-51,536.76

Finding the Fourth Proportional to 209,306.94, 313,957.85 and 51,536.76

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Solution

The fourth proportional to 209,306.94, 313,957.85 and 51,536.76 is: 77,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,306.94 : 313,957.85 = 51,536.76 : x
  2. Step 2: Convert to fraction form
    209,306.94/313,957.85 = 51,536.76/x
  3. Step 3: Cross multiply
    209,306.94x = 313,957.85 × 51,536.76
  4. Step 4: Simplify right side
    209,306.94x = 16,180,370,107.88
  5. Step 5: Solve for x
    x = 16,180,370,107.88/209,306.94
  6. Step 6: Final answer
    x = 77,304.51

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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.