Finding the Fourth Proportional to 361,718.70, 542,646.09 and 145,593.96
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Solution
The fourth proportional to 361,718.70, 542,646.09 and 145,593.96 is: 218,418.33
Step by Step Solution
- Step 1: Write the proportion equation
361,718.70 : 542,646.09 = 145,593.96 : x - Step 2: Convert to fraction form
361,718.70/542,646.09 = 145,593.96/x - Step 3: Cross multiply
361,718.70x = 542,646.09 × 145,593.96 - Step 4: Simplify right side
361,718.70x = 79,005,993,121.62 - Step 5: Solve for x
x = 79,005,993,121.62/361,718.70 - Step 6: Final answer
x = 218,418.33
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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.