Finding the Fourth Proportional to 166,718.81, 230,071.97 and 91,267.31
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Solution
The fourth proportional to 166,718.81, 230,071.97 and 91,267.31 is: 125,948.90
Step by Step Solution
- Step 1: Write the proportion equation
166,718.81 : 230,071.97 = 91,267.31 : x - Step 2: Convert to fraction form
166,718.81/230,071.97 = 91,267.31/x - Step 3: Cross multiply
166,718.81x = 230,071.97 × 91,267.31 - Step 4: Simplify right side
166,718.81x = 20,998,050,611.65 - Step 5: Solve for x
x = 20,998,050,611.65/166,718.81 - Step 6: Final answer
x = 125,948.90
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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.