Finding the Fourth Proportional to 663,035.70, 994,553.55 and 219,803.70
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Solution
The fourth proportional to 663,035.70, 994,553.55 and 219,803.70 is: 329,705.55
Step by Step Solution
- Step 1: Write the proportion equation
663,035.70 : 994,553.55 = 219,803.70 : x - Step 2: Convert to fraction form
663,035.70/994,553.55 = 219,803.70/x - Step 3: Cross multiply
663,035.70x = 994,553.55 × 219,803.70 - Step 4: Simplify right side
663,035.70x = 218,606,550,138.14 - Step 5: Solve for x
x = 218,606,550,138.14/663,035.70 - Step 6: Final answer
x = 329,705.55
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Similar ratio
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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.