Finding the Fourth Proportional to 151,633.77, 209,253.99 and 83,654.97
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Solution
The fourth proportional to 151,633.77, 209,253.99 and 83,654.97 is: 115,443.52
Step by Step Solution
- Step 1: Write the proportion equation
151,633.77 : 209,253.99 = 83,654.97 : x - Step 2: Convert to fraction form
151,633.77/209,253.99 = 83,654.97/x - Step 3: Cross multiply
151,633.77x = 209,253.99 × 83,654.97 - Step 4: Simplify right side
151,633.77x = 17,505,136,255.83 - Step 5: Solve for x
x = 17,505,136,255.83/151,633.77 - Step 6: Final answer
x = 115,443.52
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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.