Finding the Fourth Proportional to 179,988.62, 248,386.92 and 104,537.12
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Solution
The fourth proportional to 179,988.62, 248,386.92 and 104,537.12 is: 144,262.75
Step by Step Solution
- Step 1: Write the proportion equation
179,988.62 : 248,386.92 = 104,537.12 : x - Step 2: Convert to fraction form
179,988.62/248,386.92 = 104,537.12/x - Step 3: Cross multiply
179,988.62x = 248,386.92 × 104,537.12 - Step 4: Simplify right side
179,988.62x = 25,965,653,262.47 - Step 5: Solve for x
x = 25,965,653,262.47/179,988.62 - Step 6: Final answer
x = 144,262.75
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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.