Home / 209,481.37-314,217.80-51,711.19

Finding the Fourth Proportional to 209,481.37, 314,217.80 and 51,711.19

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Solution

The fourth proportional to 209,481.37, 314,217.80 and 51,711.19 is: 77,565.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,481.37 : 314,217.80 = 51,711.19 : x
  2. Step 2: Convert to fraction form
    209,481.37/314,217.80 = 51,711.19/x
  3. Step 3: Cross multiply
    209,481.37x = 314,217.80 × 51,711.19
  4. Step 4: Simplify right side
    209,481.37x = 16,248,574,527.54
  5. Step 5: Solve for x
    x = 16,248,574,527.54/209,481.37
  6. Step 6: Final answer
    x = 77,565.73

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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.