Finding the Fourth Proportional to 356,622.24, 492,189.09 and 220,699.95
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Solution
The fourth proportional to 356,622.24, 492,189.09 and 220,699.95 is: 304,597.12
Step by Step Solution
- Step 1: Write the proportion equation
356,622.24 : 492,189.09 = 220,699.95 : x - Step 2: Convert to fraction form
356,622.24/492,189.09 = 220,699.95/x - Step 3: Cross multiply
356,622.24x = 492,189.09 × 220,699.95 - Step 4: Simplify right side
356,622.24x = 108,626,107,553.55 - Step 5: Solve for x
x = 108,626,107,553.55/356,622.24 - Step 6: Final answer
x = 304,597.12
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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.