Home / 209,849.31-314,544.88-103,306.59

Finding the Fourth Proportional to 209,849.31, 314,544.88 and 103,306.59

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Solution

The fourth proportional to 209,849.31, 314,544.88 and 103,306.59 is: 154,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,849.31 : 314,544.88 = 103,306.59 : x
  2. Step 2: Convert to fraction form
    209,849.31/314,544.88 = 103,306.59/x
  3. Step 3: Cross multiply
    209,849.31x = 314,544.88 × 103,306.59
  4. Step 4: Simplify right side
    209,849.31x = 32,494,558,954.76
  5. Step 5: Solve for x
    x = 32,494,558,954.76/209,849.31
  6. Step 6: Final answer
    x = 154,847.11

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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.