Finding the Fourth Proportional to 171,593.13, 236,718.42 and 107,966.01
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Solution
The fourth proportional to 171,593.13, 236,718.42 and 107,966.01 is: 148,942.70
Step by Step Solution
- Step 1: Write the proportion equation
171,593.13 : 236,718.42 = 107,966.01 : x - Step 2: Convert to fraction form
171,593.13/236,718.42 = 107,966.01/x - Step 3: Cross multiply
171,593.13x = 236,718.42 × 107,966.01 - Step 4: Simplify right side
171,593.13x = 25,557,543,300.90 - Step 5: Solve for x
x = 25,557,543,300.90/171,593.13 - Step 6: Final answer
x = 148,942.70
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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.