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Finding the Fourth Proportional to 288,093.91, 397,522.05 and 160,769.20

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Solution

The fourth proportional to 288,093.91, 397,522.05 and 160,769.20 is: 221,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,093.91 : 397,522.05 = 160,769.20 : x
  2. Step 2: Convert to fraction form
    288,093.91/397,522.05 = 160,769.20/x
  3. Step 3: Cross multiply
    288,093.91x = 397,522.05 × 160,769.20
  4. Step 4: Simplify right side
    288,093.91x = 63,909,301,960.86
  5. Step 5: Solve for x
    x = 63,909,301,960.86/288,093.91
  6. Step 6: Final answer
    x = 221,834.96

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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.