Home / 209,255.46-288,774.36-113,762.22

Finding the Fourth Proportional to 209,255.46, 288,774.36 and 113,762.22

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Solution

The fourth proportional to 209,255.46, 288,774.36 and 113,762.22 is: 156,992.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,255.46 : 288,774.36 = 113,762.22 : x
  2. Step 2: Convert to fraction form
    209,255.46/288,774.36 = 113,762.22/x
  3. Step 3: Cross multiply
    209,255.46x = 288,774.36 × 113,762.22
  4. Step 4: Simplify right side
    209,255.46x = 32,851,612,272.68
  5. Step 5: Solve for x
    x = 32,851,612,272.68/209,255.46
  6. Step 6: Final answer
    x = 156,992.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.