Finding the Fourth Proportional to 356,622.87, 492,189.98 and 220,700.62
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Solution
The fourth proportional to 356,622.87, 492,189.98 and 220,700.62 is: 304,598.06
Step by Step Solution
- Step 1: Write the proportion equation
356,622.87 : 492,189.98 = 220,700.62 : x - Step 2: Convert to fraction form
356,622.87/492,189.98 = 220,700.62/x - Step 3: Cross multiply
356,622.87x = 492,189.98 × 220,700.62 - Step 4: Simplify right side
356,622.87x = 108,626,633,743.79 - Step 5: Solve for x
x = 108,626,633,743.79/356,622.87 - Step 6: Final answer
x = 304,598.06
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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.