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Finding the Fourth Proportional to 236,132, 325,850.32 and 128,701.60

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Solution

The fourth proportional to 236,132, 325,850.32 and 128,701.60 is: 177,601.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,132 : 325,850.32 = 128,701.60 : x
  2. Step 2: Convert to fraction form
    236,132/325,850.32 = 128,701.60/x
  3. Step 3: Cross multiply
    236,132x = 325,850.32 × 128,701.60
  4. Step 4: Simplify right side
    236,132x = 41,937,457,544.51
  5. Step 5: Solve for x
    x = 41,937,457,544.51/236,132
  6. Step 6: Final answer
    x = 177,601.75

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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.