Finding the Fourth Proportional to 100,893.62, 151,261.95 and 65,279.69
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Solution
The fourth proportional to 100,893.62, 151,261.95 and 65,279.69 is: 97,868.75
Step by Step Solution
- Step 1: Write the proportion equation
100,893.62 : 151,261.95 = 65,279.69 : x - Step 2: Convert to fraction form
100,893.62/151,261.95 = 65,279.69/x - Step 3: Cross multiply
100,893.62x = 151,261.95 × 65,279.69 - Step 4: Simplify right side
100,893.62x = 9,874,332,448.49 - Step 5: Solve for x
x = 9,874,332,448.49/100,893.62 - Step 6: Final answer
x = 97,868.75
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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.