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Finding the Fourth Proportional to 250,843.08, 346,325.58 and 155,451

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Solution

The fourth proportional to 250,843.08, 346,325.58 and 155,451 is: 214,622.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,843.08 : 346,325.58 = 155,451 : x
  2. Step 2: Convert to fraction form
    250,843.08/346,325.58 = 155,451/x
  3. Step 3: Cross multiply
    250,843.08x = 346,325.58 × 155,451
  4. Step 4: Simplify right side
    250,843.08x = 53,836,657,736.58
  5. Step 5: Solve for x
    x = 53,836,657,736.58/250,843.08
  6. Step 6: Final answer
    x = 214,622.85

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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.