Finding the Fourth Proportional to 656,606.26, 984,909.40 and 157,970.26
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Solution
The fourth proportional to 656,606.26, 984,909.40 and 157,970.26 is: 236,955.39
Step by Step Solution
- Step 1: Write the proportion equation
656,606.26 : 984,909.40 = 157,970.26 : x - Step 2: Convert to fraction form
656,606.26/984,909.40 = 157,970.26/x - Step 3: Cross multiply
656,606.26x = 984,909.40 × 157,970.26 - Step 4: Simplify right side
656,606.26x = 155,586,393,994.44 - Step 5: Solve for x
x = 155,586,393,994.44/656,606.26 - Step 6: Final answer
x = 236,955.39
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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.