Finding the Fourth Proportional to 194,812.80, 292,197.60 and 159,691.20
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Solution
The fourth proportional to 194,812.80, 292,197.60 and 159,691.20 is: 239,519.09
Step by Step Solution
- Step 1: Write the proportion equation
194,812.80 : 292,197.60 = 159,691.20 : x - Step 2: Convert to fraction form
194,812.80/292,197.60 = 159,691.20/x - Step 3: Cross multiply
194,812.80x = 292,197.60 × 159,691.20 - Step 4: Simplify right side
194,812.80x = 46,661,385,381.12 - Step 5: Solve for x
x = 46,661,385,381.12/194,812.80 - Step 6: Final answer
x = 239,519.09
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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.