Finding the Fourth Proportional to 372,668.18, 558,296.22 and 220,409.78
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Solution
The fourth proportional to 372,668.18, 558,296.22 and 220,409.78 is: 330,197.09
Step by Step Solution
- Step 1: Write the proportion equation
372,668.18 : 558,296.22 = 220,409.78 : x - Step 2: Convert to fraction form
372,668.18/558,296.22 = 220,409.78/x - Step 3: Cross multiply
372,668.18x = 558,296.22 × 220,409.78 - Step 4: Simplify right side
372,668.18x = 123,053,947,025.03 - Step 5: Solve for x
x = 123,053,947,025.03/372,668.18 - Step 6: Final answer
x = 330,197.09
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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.