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Finding the Fourth Proportional to 235,646.80, 325,086.80 and 159,141.04

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Solution

The fourth proportional to 235,646.80, 325,086.80 and 159,141.04 is: 219,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,646.80 : 325,086.80 = 159,141.04 : x
  2. Step 2: Convert to fraction form
    235,646.80/325,086.80 = 159,141.04/x
  3. Step 3: Cross multiply
    235,646.80x = 325,086.80 × 159,141.04
  4. Step 4: Simplify right side
    235,646.80x = 51,734,651,442.27
  5. Step 5: Solve for x
    x = 51,734,651,442.27/235,646.80
  6. Step 6: Final answer
    x = 219,543.20

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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.