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Finding the Fourth Proportional to 230,087.98, 317,619.39 and 154,680.22

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Solution

The fourth proportional to 230,087.98, 317,619.39 and 154,680.22 is: 213,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,087.98 : 317,619.39 = 154,680.22 : x
  2. Step 2: Convert to fraction form
    230,087.98/317,619.39 = 154,680.22/x
  3. Step 3: Cross multiply
    230,087.98x = 317,619.39 × 154,680.22
  4. Step 4: Simplify right side
    230,087.98x = 49,129,437,121.47
  5. Step 5: Solve for x
    x = 49,129,437,121.47/230,087.98
  6. Step 6: Final answer
    x = 213,524.57

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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.