Finding the Fourth Proportional to 417,626.25, 576,324.63 and 226,639.68
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Solution
The fourth proportional to 417,626.25, 576,324.63 and 226,639.68 is: 312,762.98
Step by Step Solution
- Step 1: Write the proportion equation
417,626.25 : 576,324.63 = 226,639.68 : x - Step 2: Convert to fraction form
417,626.25/576,324.63 = 226,639.68/x - Step 3: Cross multiply
417,626.25x = 576,324.63 × 226,639.68 - Step 4: Simplify right side
417,626.25x = 130,618,029,719.32 - Step 5: Solve for x
x = 130,618,029,719.32/417,626.25 - Step 6: Final answer
x = 312,762.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.