Finding the Fourth Proportional to 119,304.19, 164,640.16 and 68,317.73
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Solution
The fourth proportional to 119,304.19, 164,640.16 and 68,317.73 is: 94,278.68
Step by Step Solution
- Step 1: Write the proportion equation
119,304.19 : 164,640.16 = 68,317.73 : x - Step 2: Convert to fraction form
119,304.19/164,640.16 = 68,317.73/x - Step 3: Cross multiply
119,304.19x = 164,640.16 × 68,317.73 - Step 4: Simplify right side
119,304.19x = 11,247,841,998.04 - Step 5: Solve for x
x = 11,247,841,998.04/119,304.19 - Step 6: Final answer
x = 94,278.68
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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.