Finding the Fourth Proportional to 442,850.70, 664,276.05 and 256,226.70
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Solution
The fourth proportional to 442,850.70, 664,276.05 and 256,226.70 is: 384,340.05
Step by Step Solution
- Step 1: Write the proportion equation
442,850.70 : 664,276.05 = 256,226.70 : x - Step 2: Convert to fraction form
442,850.70/664,276.05 = 256,226.70/x - Step 3: Cross multiply
442,850.70x = 664,276.05 × 256,226.70 - Step 4: Simplify right side
442,850.70x = 170,205,260,180.54 - Step 5: Solve for x
x = 170,205,260,180.54/442,850.70 - Step 6: Final answer
x = 384,340.05
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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.