Home / 288,074.43-397,247.76-191,244.20

Finding the Fourth Proportional to 288,074.43, 397,247.76 and 191,244.20

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Solution

The fourth proportional to 288,074.43, 397,247.76 and 191,244.20 is: 263,721.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,074.43 : 397,247.76 = 191,244.20 : x
  2. Step 2: Convert to fraction form
    288,074.43/397,247.76 = 191,244.20/x
  3. Step 3: Cross multiply
    288,074.43x = 397,247.76 × 191,244.20
  4. Step 4: Simplify right side
    288,074.43x = 75,971,328,076.75
  5. Step 5: Solve for x
    x = 75,971,328,076.75/288,074.43
  6. Step 6: Final answer
    x = 263,721.18

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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.