Finding the Fourth Proportional to 403,350.10, 605,025.15 and 270,639.70
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Solution
The fourth proportional to 403,350.10, 605,025.15 and 270,639.70 is: 405,959.55
Step by Step Solution
- Step 1: Write the proportion equation
403,350.10 : 605,025.15 = 270,639.70 : x - Step 2: Convert to fraction form
403,350.10/605,025.15 = 270,639.70/x - Step 3: Cross multiply
403,350.10x = 605,025.15 × 270,639.70 - Step 4: Simplify right side
403,350.10x = 163,743,825,088.46 - Step 5: Solve for x
x = 163,743,825,088.46/403,350.10 - Step 6: Final answer
x = 405,959.55
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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.