Finding the Fourth Proportional to 230,114.74, 317,286.62 and 157,552.82
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Solution
The fourth proportional to 230,114.74, 317,286.62 and 157,552.82 is: 217,236.85
Step by Step Solution
- Step 1: Write the proportion equation
230,114.74 : 317,286.62 = 157,552.82 : x - Step 2: Convert to fraction form
230,114.74/317,286.62 = 157,552.82/x - Step 3: Cross multiply
230,114.74x = 317,286.62 × 157,552.82 - Step 4: Simplify right side
230,114.74x = 49,989,401,729.27 - Step 5: Solve for x
x = 49,989,401,729.27/230,114.74 - Step 6: Final answer
x = 217,236.85
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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.