Finding the Fourth Proportional to 311,201.40, 466,802.10 and 306,535.80
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Solution
The fourth proportional to 311,201.40, 466,802.10 and 306,535.80 is: 459,803.70
Step by Step Solution
- Step 1: Write the proportion equation
311,201.40 : 466,802.10 = 306,535.80 : x - Step 2: Convert to fraction form
311,201.40/466,802.10 = 306,535.80/x - Step 3: Cross multiply
311,201.40x = 466,802.10 × 306,535.80 - Step 4: Simplify right side
311,201.40x = 143,091,555,165.18 - Step 5: Solve for x
x = 143,091,555,165.18/311,201.40 - Step 6: Final answer
x = 459,803.70
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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.