Home / 209,241.84-313,860.06-51,471.66

Finding the Fourth Proportional to 209,241.84, 313,860.06 and 51,471.66

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Solution

The fourth proportional to 209,241.84, 313,860.06 and 51,471.66 is: 77,206.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,241.84 : 313,860.06 = 51,471.66 : x
  2. Step 2: Convert to fraction form
    209,241.84/313,860.06 = 51,471.66/x
  3. Step 3: Cross multiply
    209,241.84x = 313,860.06 × 51,471.66
  4. Step 4: Simplify right side
    209,241.84x = 16,154,898,295.90
  5. Step 5: Solve for x
    x = 16,154,898,295.90/209,241.84
  6. Step 6: Final answer
    x = 77,206.83

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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.