Finding the Fourth Proportional to 656,601.75, 984,902.64 and 157,965.75
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Solution
The fourth proportional to 656,601.75, 984,902.64 and 157,965.75 is: 236,948.63
Step by Step Solution
- Step 1: Write the proportion equation
656,601.75 : 984,902.64 = 157,965.75 : x - Step 2: Convert to fraction form
656,601.75/984,902.64 = 157,965.75/x - Step 3: Cross multiply
656,601.75x = 984,902.64 × 157,965.75 - Step 4: Simplify right side
656,601.75x = 155,580,884,204.58 - Step 5: Solve for x
x = 155,580,884,204.58/656,601.75 - Step 6: Final answer
x = 236,948.63
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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.