Finding the Fourth Proportional to 169,175.79, 253,765.44 and 68,020.63
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Solution
The fourth proportional to 169,175.79, 253,765.44 and 68,020.63 is: 102,031.65
Step by Step Solution
- Step 1: Write the proportion equation
169,175.79 : 253,765.44 = 68,020.63 : x - Step 2: Convert to fraction form
169,175.79/253,765.44 = 68,020.63/x - Step 3: Cross multiply
169,175.79x = 253,765.44 × 68,020.63 - Step 4: Simplify right side
169,175.79x = 17,261,284,466.61 - Step 5: Solve for x
x = 17,261,284,466.61/169,175.79 - Step 6: Final answer
x = 102,031.65
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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.