Finding the Fourth Proportional to 656,352.21, 984,528.32 and 157,716.21
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Solution
The fourth proportional to 656,352.21, 984,528.32 and 157,716.21 is: 236,574.32
Step by Step Solution
- Step 1: Write the proportion equation
656,352.21 : 984,528.32 = 157,716.21 : x - Step 2: Convert to fraction form
656,352.21/984,528.32 = 157,716.21/x - Step 3: Cross multiply
656,352.21x = 984,528.32 × 157,716.21 - Step 4: Simplify right side
656,352.21x = 155,276,074,479.49 - Step 5: Solve for x
x = 155,276,074,479.49/656,352.21 - Step 6: Final answer
x = 236,574.32
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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.