Finding the Fourth Proportional to 252,864.24, 349,022.18 and 157,313.96
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Solution
The fourth proportional to 252,864.24, 349,022.18 and 157,313.96 is: 217,136.52
Step by Step Solution
- Step 1: Write the proportion equation
252,864.24 : 349,022.18 = 157,313.96 : x - Step 2: Convert to fraction form
252,864.24/349,022.18 = 157,313.96/x - Step 3: Cross multiply
252,864.24x = 349,022.18 × 157,313.96 - Step 4: Simplify right side
252,864.24x = 54,906,061,263.63 - Step 5: Solve for x
x = 54,906,061,263.63/252,864.24 - Step 6: Final answer
x = 217,136.52
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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.