Finding the Fourth Proportional to 230,114.99, 317,286.97 and 157,553.07
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Solution
The fourth proportional to 230,114.99, 317,286.97 and 157,553.07 is: 217,237.20
Step by Step Solution
- Step 1: Write the proportion equation
230,114.99 : 317,286.97 = 157,553.07 : x - Step 2: Convert to fraction form
230,114.99/317,286.97 = 157,553.07/x - Step 3: Cross multiply
230,114.99x = 317,286.97 × 157,553.07 - Step 4: Simplify right side
230,114.99x = 49,989,535,800.62 - Step 5: Solve for x
x = 49,989,535,800.62/230,114.99 - Step 6: Final answer
x = 217,237.20
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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.