Home / 209,278.26-288,803.34-113,785.20

Finding the Fourth Proportional to 209,278.26, 288,803.34 and 113,785.20

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Solution

The fourth proportional to 209,278.26, 288,803.34 and 113,785.20 is: 157,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,278.26 : 288,803.34 = 113,785.20 : x
  2. Step 2: Convert to fraction form
    209,278.26/288,803.34 = 113,785.20/x
  3. Step 3: Cross multiply
    209,278.26x = 288,803.34 × 113,785.20
  4. Step 4: Simplify right side
    209,278.26x = 32,861,545,802.57
  5. Step 5: Solve for x
    x = 32,861,545,802.57/209,278.26
  6. Step 6: Final answer
    x = 157,023.22

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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.