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Finding the Fourth Proportional to 251,296.39, 346,791.71 and 136,575.03

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Solution

The fourth proportional to 251,296.39, 346,791.71 and 136,575.03 is: 188,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,296.39 : 346,791.71 = 136,575.03 : x
  2. Step 2: Convert to fraction form
    251,296.39/346,791.71 = 136,575.03/x
  3. Step 3: Cross multiply
    251,296.39x = 346,791.71 × 136,575.03
  4. Step 4: Simplify right side
    251,296.39x = 47,363,088,197.00
  5. Step 5: Solve for x
    x = 47,363,088,197.00/251,296.39
  6. Step 6: Final answer
    x = 188,475.00

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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.