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Finding the Fourth Proportional to 230,878.60, 345,661.80 and 204,634.60

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Solution

The fourth proportional to 230,878.60, 345,661.80 and 204,634.60 is: 306,370.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,878.60 : 345,661.80 = 204,634.60 : x
  2. Step 2: Convert to fraction form
    230,878.60/345,661.80 = 204,634.60/x
  3. Step 3: Cross multiply
    230,878.60x = 345,661.80 × 204,634.60
  4. Step 4: Simplify right side
    230,878.60x = 70,734,364,178.28
  5. Step 5: Solve for x
    x = 70,734,364,178.28/230,878.60
  6. Step 6: Final answer
    x = 306,370.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.