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Finding the Fourth Proportional to 235,759.68, 325,348.02 and 128,329.38

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Solution

The fourth proportional to 235,759.68, 325,348.02 and 128,329.38 is: 177,094.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,759.68 : 325,348.02 = 128,329.38 : x
  2. Step 2: Convert to fraction form
    235,759.68/325,348.02 = 128,329.38/x
  3. Step 3: Cross multiply
    235,759.68x = 325,348.02 × 128,329.38
  4. Step 4: Simplify right side
    235,759.68x = 41,751,709,690.83
  5. Step 5: Solve for x
    x = 41,751,709,690.83/235,759.68
  6. Step 6: Final answer
    x = 177,094.36

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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.