Finding the Fourth Proportional to 459,286.13, 633,778.95 and 255,324.63
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Solution
The fourth proportional to 459,286.13, 633,778.95 and 255,324.63 is: 352,328.03
Step by Step Solution
- Step 1: Write the proportion equation
459,286.13 : 633,778.95 = 255,324.63 : x - Step 2: Convert to fraction form
459,286.13/633,778.95 = 255,324.63/x - Step 3: Cross multiply
459,286.13x = 633,778.95 × 255,324.63 - Step 4: Simplify right side
459,286.13x = 161,819,375,910.54 - Step 5: Solve for x
x = 161,819,375,910.54/459,286.13 - Step 6: Final answer
x = 352,328.03
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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.