Finding the Fourth Proportional to 242,330.40, 363,884.40 and 163,792.80
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Solution
The fourth proportional to 242,330.40, 363,884.40 and 163,792.80 is: 245,951.99
Step by Step Solution
- Step 1: Write the proportion equation
242,330.40 : 363,884.40 = 163,792.80 : x - Step 2: Convert to fraction form
242,330.40/363,884.40 = 163,792.80/x - Step 3: Cross multiply
242,330.40x = 363,884.40 × 163,792.80 - Step 4: Simplify right side
242,330.40x = 59,601,644,752.32 - Step 5: Solve for x
x = 59,601,644,752.32/242,330.40 - Step 6: Final answer
x = 245,951.99
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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.