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Finding the Fourth Proportional to 236,995.44, 355,512 and 79,224.72

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Solution

The fourth proportional to 236,995.44, 355,512 and 79,224.72 is: 118,843.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,995.44 : 355,512 = 79,224.72 : x
  2. Step 2: Convert to fraction form
    236,995.44/355,512 = 79,224.72/x
  3. Step 3: Cross multiply
    236,995.44x = 355,512 × 79,224.72
  4. Step 4: Simplify right side
    236,995.44x = 28,165,338,656.64
  5. Step 5: Solve for x
    x = 28,165,338,656.64/236,995.44
  6. Step 6: Final answer
    x = 118,843.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.