Finding the Fourth Proportional to 403,375.80, 605,063.70 and 166,639.80
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Solution
The fourth proportional to 403,375.80, 605,063.70 and 166,639.80 is: 249,959.70
Step by Step Solution
- Step 1: Write the proportion equation
403,375.80 : 605,063.70 = 166,639.80 : x - Step 2: Convert to fraction form
403,375.80/605,063.70 = 166,639.80/x - Step 3: Cross multiply
403,375.80x = 605,063.70 × 166,639.80 - Step 4: Simplify right side
403,375.80x = 100,827,693,955.26 - Step 5: Solve for x
x = 100,827,693,955.26/403,375.80 - Step 6: Final answer
x = 249,959.70
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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.