Finding the Fourth Proportional to 194,812.40, 292,218.60 and 163,811.68
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Solution
The fourth proportional to 194,812.40, 292,218.60 and 163,811.68 is: 245,717.52
Step by Step Solution
- Step 1: Write the proportion equation
194,812.40 : 292,218.60 = 163,811.68 : x - Step 2: Convert to fraction form
194,812.40/292,218.60 = 163,811.68/x - Step 3: Cross multiply
194,812.40x = 292,218.60 × 163,811.68 - Step 4: Simplify right side
194,812.40x = 47,868,819,793.25 - Step 5: Solve for x
x = 47,868,819,793.25/194,812.40 - Step 6: Final answer
x = 245,717.52
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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.