Finding the Fourth Proportional to 398,216.29, 597,008.67 and 208,640.29
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Solution
The fourth proportional to 398,216.29, 597,008.67 and 208,640.29 is: 312,794.99
Step by Step Solution
- Step 1: Write the proportion equation
398,216.29 : 597,008.67 = 208,640.29 : x - Step 2: Convert to fraction form
398,216.29/597,008.67 = 208,640.29/x - Step 3: Cross multiply
398,216.29x = 597,008.67 × 208,640.29 - Step 4: Simplify right side
398,216.29x = 124,560,062,041.31 - Step 5: Solve for x
x = 124,560,062,041.31/398,216.29 - Step 6: Final answer
x = 312,794.99
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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.