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Finding the Fourth Proportional to 250,049.64, 345,067.84 and 135,328.52

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Solution

The fourth proportional to 250,049.64, 345,067.84 and 135,328.52 is: 186,753.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,049.64 : 345,067.84 = 135,328.52 : x
  2. Step 2: Convert to fraction form
    250,049.64/345,067.84 = 135,328.52/x
  3. Step 3: Cross multiply
    250,049.64x = 345,067.84 × 135,328.52
  4. Step 4: Simplify right side
    250,049.64x = 46,697,521,118.63
  5. Step 5: Solve for x
    x = 46,697,521,118.63/250,049.64
  6. Step 6: Final answer
    x = 186,753.00

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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.