Finding the Fourth Proportional to 658,452.99, 987,672.29 and 159,816.99
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Solution
The fourth proportional to 658,452.99, 987,672.29 and 159,816.99 is: 239,723.74
Step by Step Solution
- Step 1: Write the proportion equation
658,452.99 : 987,672.29 = 159,816.99 : x - Step 2: Convert to fraction form
658,452.99/987,672.29 = 159,816.99/x - Step 3: Cross multiply
658,452.99x = 987,672.29 × 159,816.99 - Step 4: Simplify right side
658,452.99x = 157,846,811,695.12 - Step 5: Solve for x
x = 157,846,811,695.12/658,452.99 - Step 6: Final answer
x = 239,723.74
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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.