Home / 209,450.34-314,128.19-59,687.42

Finding the Fourth Proportional to 209,450.34, 314,128.19 and 59,687.42

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Solution

The fourth proportional to 209,450.34, 314,128.19 and 59,687.42 is: 89,517.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,450.34 : 314,128.19 = 59,687.42 : x
  2. Step 2: Convert to fraction form
    209,450.34/314,128.19 = 59,687.42/x
  3. Step 3: Cross multiply
    209,450.34x = 314,128.19 × 59,687.42
  4. Step 4: Simplify right side
    209,450.34x = 18,749,499,788.95
  5. Step 5: Solve for x
    x = 18,749,499,788.95/209,450.34
  6. Step 6: Final answer
    x = 89,517.64

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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.