Finding the Fourth Proportional to 248,731.97, 343,305.52 and 158,070.26
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Solution
The fourth proportional to 248,731.97, 343,305.52 and 158,070.26 is: 218,172.16
Step by Step Solution
- Step 1: Write the proportion equation
248,731.97 : 343,305.52 = 158,070.26 : x - Step 2: Convert to fraction form
248,731.97/343,305.52 = 158,070.26/x - Step 3: Cross multiply
248,731.97x = 343,305.52 × 158,070.26 - Step 4: Simplify right side
248,731.97x = 54,266,391,089.31 - Step 5: Solve for x
x = 54,266,391,089.31/248,731.97 - Step 6: Final answer
x = 218,172.16
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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.