Finding the Fourth Proportional to 171,181.80, 236,192.76 and 99,568.08
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Solution
The fourth proportional to 171,181.80, 236,192.76 and 99,568.08 is: 137,381.78
Step by Step Solution
- Step 1: Write the proportion equation
171,181.80 : 236,192.76 = 99,568.08 : x - Step 2: Convert to fraction form
171,181.80/236,192.76 = 99,568.08/x - Step 3: Cross multiply
171,181.80x = 236,192.76 × 99,568.08 - Step 4: Simplify right side
171,181.80x = 23,517,259,623.10 - Step 5: Solve for x
x = 23,517,259,623.10/171,181.80 - Step 6: Final answer
x = 137,381.78
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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.