Finding the Fourth Proportional to 177,142.68, 244,318.66 and 113,486.40
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Solution
The fourth proportional to 177,142.68, 244,318.66 and 113,486.40 is: 156,522.67
Step by Step Solution
- Step 1: Write the proportion equation
177,142.68 : 244,318.66 = 113,486.40 : x - Step 2: Convert to fraction form
177,142.68/244,318.66 = 113,486.40/x - Step 3: Cross multiply
177,142.68x = 244,318.66 × 113,486.40 - Step 4: Simplify right side
177,142.68x = 27,726,845,176.22 - Step 5: Solve for x
x = 27,726,845,176.22/177,142.68 - Step 6: Final answer
x = 156,522.67
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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.