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Finding the Fourth Proportional to 289,906.97, 400,070.85 and 162,585.29

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Solution

The fourth proportional to 289,906.97, 400,070.85 and 162,585.29 is: 224,367.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,906.97 : 400,070.85 = 162,585.29 : x
  2. Step 2: Convert to fraction form
    289,906.97/400,070.85 = 162,585.29/x
  3. Step 3: Cross multiply
    289,906.97x = 400,070.85 × 162,585.29
  4. Step 4: Simplify right side
    289,906.97x = 65,045,635,558.28
  5. Step 5: Solve for x
    x = 65,045,635,558.28/289,906.97
  6. Step 6: Final answer
    x = 224,367.27

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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.