Home / 209,993.32-314,991.25-52,221.79

Finding the Fourth Proportional to 209,993.32, 314,991.25 and 52,221.79

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Solution

The fourth proportional to 209,993.32, 314,991.25 and 52,221.79 is: 78,333.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,993.32 : 314,991.25 = 52,221.79 : x
  2. Step 2: Convert to fraction form
    209,993.32/314,991.25 = 52,221.79/x
  3. Step 3: Cross multiply
    209,993.32x = 314,991.25 × 52,221.79
  4. Step 4: Simplify right side
    209,993.32x = 16,449,407,172.52
  5. Step 5: Solve for x
    x = 16,449,407,172.52/209,993.32
  6. Step 6: Final answer
    x = 78,333.00

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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.