Finding the Fourth Proportional to 239,888.08, 331,016.52 and 132,449.68
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Solution
The fourth proportional to 239,888.08, 331,016.52 and 132,449.68 is: 182,764.53
Step by Step Solution
- Step 1: Write the proportion equation
239,888.08 : 331,016.52 = 132,449.68 : x - Step 2: Convert to fraction form
239,888.08/331,016.52 = 132,449.68/x - Step 3: Cross multiply
239,888.08x = 331,016.52 × 132,449.68 - Step 4: Simplify right side
239,888.08x = 43,843,032,148.71 - Step 5: Solve for x
x = 43,843,032,148.71/239,888.08 - Step 6: Final answer
x = 182,764.53
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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.