Finding the Fourth Proportional to 179,748.26, 248,053.40 and 99,175.75
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Solution
The fourth proportional to 179,748.26, 248,053.40 and 99,175.75 is: 136,862.98
Step by Step Solution
- Step 1: Write the proportion equation
179,748.26 : 248,053.40 = 99,175.75 : x - Step 2: Convert to fraction form
179,748.26/248,053.40 = 99,175.75/x - Step 3: Cross multiply
179,748.26x = 248,053.40 × 99,175.75 - Step 4: Simplify right side
179,748.26x = 24,600,881,985.05 - Step 5: Solve for x
x = 24,600,881,985.05/179,748.26 - Step 6: Final answer
x = 136,862.98
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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.