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Finding the Fourth Proportional to 251,374.86, 346,903.02 and 136,659.96

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Solution

The fourth proportional to 251,374.86, 346,903.02 and 136,659.96 is: 188,593.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,374.86 : 346,903.02 = 136,659.96 : x
  2. Step 2: Convert to fraction form
    251,374.86/346,903.02 = 136,659.96/x
  3. Step 3: Cross multiply
    251,374.86x = 346,903.02 × 136,659.96
  4. Step 4: Simplify right side
    251,374.86x = 47,407,752,837.08
  5. Step 5: Solve for x
    x = 47,407,752,837.08/251,374.86
  6. Step 6: Final answer
    x = 188,593.85

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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.