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Finding the Fourth Proportional to 236,208.88, 325,969.28 and 151,375.15

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Solution

The fourth proportional to 236,208.88, 325,969.28 and 151,375.15 is: 208,898.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,208.88 : 325,969.28 = 151,375.15 : x
  2. Step 2: Convert to fraction form
    236,208.88/325,969.28 = 151,375.15/x
  3. Step 3: Cross multiply
    236,208.88x = 325,969.28 × 151,375.15
  4. Step 4: Simplify right side
    236,208.88x = 49,343,648,655.39
  5. Step 5: Solve for x
    x = 49,343,648,655.39/236,208.88
  6. Step 6: Final answer
    x = 208,898.36

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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.