Finding the Fourth Proportional to 656,417.44, 984,626.16 and 207,173.26
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Solution
The fourth proportional to 656,417.44, 984,626.16 and 207,173.26 is: 310,759.89
Step by Step Solution
- Step 1: Write the proportion equation
656,417.44 : 984,626.16 = 207,173.26 : x - Step 2: Convert to fraction form
656,417.44/984,626.16 = 207,173.26/x - Step 3: Cross multiply
656,417.44x = 984,626.16 × 207,173.26 - Step 4: Simplify right side
656,417.44x = 203,988,211,448.48 - Step 5: Solve for x
x = 203,988,211,448.48/656,417.44 - Step 6: Final answer
x = 310,759.89
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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.