Finding the Fourth Proportional to 169,252.11, 253,871.99 and 68,081.49
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Solution
The fourth proportional to 169,252.11, 253,871.99 and 68,081.49 is: 102,119.75
Step by Step Solution
- Step 1: Write the proportion equation
169,252.11 : 253,871.99 = 68,081.49 : x - Step 2: Convert to fraction form
169,252.11/253,871.99 = 68,081.49/x - Step 3: Cross multiply
169,252.11x = 253,871.99 × 68,081.49 - Step 4: Simplify right side
169,252.11x = 17,283,983,348.47 - Step 5: Solve for x
x = 17,283,983,348.47/169,252.11 - Step 6: Final answer
x = 102,119.75
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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.