Finding the Fourth Proportional to 271,861.84, 375,218.48 and 157,124.65
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Solution
The fourth proportional to 271,861.84, 375,218.48 and 157,124.65 is: 216,860.42
Step by Step Solution
- Step 1: Write the proportion equation
271,861.84 : 375,218.48 = 157,124.65 : x - Step 2: Convert to fraction form
271,861.84/375,218.48 = 157,124.65/x - Step 3: Cross multiply
271,861.84x = 375,218.48 × 157,124.65 - Step 4: Simplify right side
271,861.84x = 58,956,072,343.53 - Step 5: Solve for x
x = 58,956,072,343.53/271,861.84 - Step 6: Final answer
x = 216,860.42
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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.