Finding the Fourth Proportional to 157,850.19, 236,463.03 and 82,857.96
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Solution
The fourth proportional to 157,850.19, 236,463.03 and 82,857.96 is: 124,123.03
Step by Step Solution
- Step 1: Write the proportion equation
157,850.19 : 236,463.03 = 82,857.96 : x - Step 2: Convert to fraction form
157,850.19/236,463.03 = 82,857.96/x - Step 3: Cross multiply
157,850.19x = 236,463.03 × 82,857.96 - Step 4: Simplify right side
157,850.19x = 19,592,844,281.22 - Step 5: Solve for x
x = 19,592,844,281.22/157,850.19 - Step 6: Final answer
x = 124,123.03
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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.