Home / 209,708.20-314,340.77-150,511.78

Finding the Fourth Proportional to 209,708.20, 314,340.77 and 150,511.78

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Solution

The fourth proportional to 209,708.20, 314,340.77 and 150,511.78 is: 225,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,708.20 : 314,340.77 = 150,511.78 : x
  2. Step 2: Convert to fraction form
    209,708.20/314,340.77 = 150,511.78/x
  3. Step 3: Cross multiply
    209,708.20x = 314,340.77 × 150,511.78
  4. Step 4: Simplify right side
    209,708.20x = 47,311,988,066.71
  5. Step 5: Solve for x
    x = 47,311,988,066.71/209,708.20
  6. Step 6: Final answer
    x = 225,608.67

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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.