Finding the Fourth Proportional to 176,396.85, 243,186.62 and 121,204.49
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Solution
The fourth proportional to 176,396.85, 243,186.62 and 121,204.49 is: 167,096.57
Step by Step Solution
- Step 1: Write the proportion equation
176,396.85 : 243,186.62 = 121,204.49 : x - Step 2: Convert to fraction form
176,396.85/243,186.62 = 121,204.49/x - Step 3: Cross multiply
176,396.85x = 243,186.62 × 121,204.49 - Step 4: Simplify right side
176,396.85x = 29,475,308,429.97 - Step 5: Solve for x
x = 29,475,308,429.97/176,396.85 - Step 6: Final answer
x = 167,096.57
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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.