Finding the Fourth Proportional to 664,793.80, 997,190.70 and 244,233.70
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Solution
The fourth proportional to 664,793.80, 997,190.70 and 244,233.70 is: 366,350.55
Step by Step Solution
- Step 1: Write the proportion equation
664,793.80 : 997,190.70 = 244,233.70 : x - Step 2: Convert to fraction form
664,793.80/997,190.70 = 244,233.70/x - Step 3: Cross multiply
664,793.80x = 997,190.70 × 244,233.70 - Step 4: Simplify right side
664,793.80x = 243,547,574,266.59 - Step 5: Solve for x
x = 243,547,574,266.59/664,793.80 - Step 6: Final answer
x = 366,350.55
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Double scale
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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.