Finding the Fourth Proportional to 281,543.03, 388,540.10 and 160,703.99
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Solution
The fourth proportional to 281,543.03, 388,540.10 and 160,703.99 is: 221,777.62
Step by Step Solution
- Step 1: Write the proportion equation
281,543.03 : 388,540.10 = 160,703.99 : x - Step 2: Convert to fraction form
281,543.03/388,540.10 = 160,703.99/x - Step 3: Cross multiply
281,543.03x = 388,540.10 × 160,703.99 - Step 4: Simplify right side
281,543.03x = 62,439,944,345.00 - Step 5: Solve for x
x = 62,439,944,345.00/281,543.03 - Step 6: Final answer
x = 221,777.62
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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.