Finding the Fourth Proportional to 141,487.11, 212,238.23 and 36,306.99
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Solution
The fourth proportional to 141,487.11, 212,238.23 and 36,306.99 is: 54,462.42
Step by Step Solution
- Step 1: Write the proportion equation
141,487.11 : 212,238.23 = 36,306.99 : x - Step 2: Convert to fraction form
141,487.11/212,238.23 = 36,306.99/x - Step 3: Cross multiply
141,487.11x = 212,238.23 × 36,306.99 - Step 4: Simplify right side
141,487.11x = 7,705,731,112.69 - Step 5: Solve for x
x = 7,705,731,112.69/141,487.11 - Step 6: Final answer
x = 54,462.42
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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.