Home / 209,709.20-314,342.26-150,512.78

Finding the Fourth Proportional to 209,709.20, 314,342.26 and 150,512.78

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Solution

The fourth proportional to 209,709.20, 314,342.26 and 150,512.78 is: 225,610.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,709.20 : 314,342.26 = 150,512.78 : x
  2. Step 2: Convert to fraction form
    209,709.20/314,342.26 = 150,512.78/x
  3. Step 3: Cross multiply
    209,709.20x = 314,342.26 × 150,512.78
  4. Step 4: Simplify right side
    209,709.20x = 47,312,527,424.08
  5. Step 5: Solve for x
    x = 47,312,527,424.08/209,709.20
  6. Step 6: Final answer
    x = 225,610.17

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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.