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Finding the Fourth Proportional to 251,380.84, 346,907.55 and 136,659.46

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Solution

The fourth proportional to 251,380.84, 346,907.55 and 136,659.46 is: 188,591.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,380.84 : 346,907.55 = 136,659.46 : x
  2. Step 2: Convert to fraction form
    251,380.84/346,907.55 = 136,659.46/x
  3. Step 3: Cross multiply
    251,380.84x = 346,907.55 × 136,659.46
  4. Step 4: Simplify right side
    251,380.84x = 47,408,198,452.92
  5. Step 5: Solve for x
    x = 47,408,198,452.92/251,380.84
  6. Step 6: Final answer
    x = 188,591.14

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1.5x scale

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.