Finding the Fourth Proportional to 386,380.71, 532,742.00 and 250,365.02
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Solution
The fourth proportional to 386,380.71, 532,742.00 and 250,365.02 is: 345,203.46
Step by Step Solution
- Step 1: Write the proportion equation
386,380.71 : 532,742.00 = 250,365.02 : x - Step 2: Convert to fraction form
386,380.71/532,742.00 = 250,365.02/x - Step 3: Cross multiply
386,380.71x = 532,742.00 × 250,365.02 - Step 4: Simplify right side
386,380.71x = 133,379,957,569.31 - Step 5: Solve for x
x = 133,379,957,569.31/386,380.71 - Step 6: Final answer
x = 345,203.46
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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.