Finding the Fourth Proportional to 331,728.75, 497,592.99 and 107,122.23
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Solution
The fourth proportional to 331,728.75, 497,592.99 and 107,122.23 is: 160,683.30
Step by Step Solution
- Step 1: Write the proportion equation
331,728.75 : 497,592.99 = 107,122.23 : x - Step 2: Convert to fraction form
331,728.75/497,592.99 = 107,122.23/x - Step 3: Cross multiply
331,728.75x = 497,592.99 × 107,122.23 - Step 4: Simplify right side
331,728.75x = 53,303,270,721.17 - Step 5: Solve for x
x = 53,303,270,721.17/331,728.75 - Step 6: Final answer
x = 160,683.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.