Finding the Fourth Proportional to 386,092.28, 532,806.99 and 216,327.62
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Solution
The fourth proportional to 386,092.28, 532,806.99 and 216,327.62 is: 298,531.92
Step by Step Solution
- Step 1: Write the proportion equation
386,092.28 : 532,806.99 = 216,327.62 : x - Step 2: Convert to fraction form
386,092.28/532,806.99 = 216,327.62/x - Step 3: Cross multiply
386,092.28x = 532,806.99 × 216,327.62 - Step 4: Simplify right side
386,092.28x = 115,260,868,066.06 - Step 5: Solve for x
x = 115,260,868,066.06/386,092.28 - Step 6: Final answer
x = 298,531.92
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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.