Finding the Fourth Proportional to 386,286.94, 532,877.88 and 233,240.68
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Solution
The fourth proportional to 386,286.94, 532,877.88 and 233,240.68 is: 321,752.53
Step by Step Solution
- Step 1: Write the proportion equation
386,286.94 : 532,877.88 = 233,240.68 : x - Step 2: Convert to fraction form
386,286.94/532,877.88 = 233,240.68/x - Step 3: Cross multiply
386,286.94x = 532,877.88 × 233,240.68 - Step 4: Simplify right side
386,286.94x = 124,288,799,088.16 - Step 5: Solve for x
x = 124,288,799,088.16/386,286.94 - Step 6: Final answer
x = 321,752.53
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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.