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Finding the Fourth Proportional to 235,863.77, 325,482.22 and 128,433.54

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Solution

The fourth proportional to 235,863.77, 325,482.22 and 128,433.54 is: 177,232.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,863.77 : 325,482.22 = 128,433.54 : x
  2. Step 2: Convert to fraction form
    235,863.77/325,482.22 = 128,433.54/x
  3. Step 3: Cross multiply
    235,863.77x = 325,482.22 × 128,433.54
  4. Step 4: Simplify right side
    235,863.77x = 41,802,833,400.58
  5. Step 5: Solve for x
    x = 41,802,833,400.58/235,863.77
  6. Step 6: Final answer
    x = 177,232.96

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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.