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Finding the Fourth Proportional to 251,173.59, 346,619.88 and 136,452.33

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Solution

The fourth proportional to 251,173.59, 346,619.88 and 136,452.33 is: 188,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,173.59 : 346,619.88 = 136,452.33 : x
  2. Step 2: Convert to fraction form
    251,173.59/346,619.88 = 136,452.33/x
  3. Step 3: Cross multiply
    251,173.59x = 346,619.88 × 136,452.33
  4. Step 4: Simplify right side
    251,173.59x = 47,297,090,250.32
  5. Step 5: Solve for x
    x = 47,297,090,250.32/251,173.59
  6. Step 6: Final answer
    x = 188,304.39

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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.