Finding the Fourth Proportional to 218,126.99, 327,197.78 and 60,342.23
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Solution
The fourth proportional to 218,126.99, 327,197.78 and 60,342.23 is: 90,515.36
Step by Step Solution
- Step 1: Write the proportion equation
218,126.99 : 327,197.78 = 60,342.23 : x - Step 2: Convert to fraction form
218,126.99/327,197.78 = 60,342.23/x - Step 3: Cross multiply
218,126.99x = 327,197.78 × 60,342.23 - Step 4: Simplify right side
218,126.99x = 19,743,843,712.18 - Step 5: Solve for x
x = 19,743,843,712.18/218,126.99 - Step 6: Final answer
x = 90,515.36
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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.