Finding the Fourth Proportional to 172,344.58, 258,252.81 and 115,976.14
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Solution
The fourth proportional to 172,344.58, 258,252.81 and 115,976.14 is: 173,786.52
Step by Step Solution
- Step 1: Write the proportion equation
172,344.58 : 258,252.81 = 115,976.14 : x - Step 2: Convert to fraction form
172,344.58/258,252.81 = 115,976.14/x - Step 3: Cross multiply
172,344.58x = 258,252.81 × 115,976.14 - Step 4: Simplify right side
172,344.58x = 29,951,164,047.95 - Step 5: Solve for x
x = 29,951,164,047.95/172,344.58 - Step 6: Final answer
x = 173,786.52
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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.