Finding the Fourth Proportional to 212,776.11, 293,750.96 and 141,253.92
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Solution
The fourth proportional to 212,776.11, 293,750.96 and 141,253.92 is: 195,010.02
Step by Step Solution
- Step 1: Write the proportion equation
212,776.11 : 293,750.96 = 141,253.92 : x - Step 2: Convert to fraction form
212,776.11/293,750.96 = 141,253.92/x - Step 3: Cross multiply
212,776.11x = 293,750.96 × 141,253.92 - Step 4: Simplify right side
212,776.11x = 41,493,473,897.49 - Step 5: Solve for x
x = 41,493,473,897.49/212,776.11 - Step 6: Final answer
x = 195,010.02
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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.