Finding the Fourth Proportional to 791,177.20, 1,186,878.90 and 244,115.92
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Solution
The fourth proportional to 791,177.20, 1,186,878.90 and 244,115.92 is: 366,208.78
Step by Step Solution
- Step 1: Write the proportion equation
791,177.20 : 1,186,878.90 = 244,115.92 : x - Step 2: Convert to fraction form
791,177.20/1,186,878.90 = 244,115.92/x - Step 3: Cross multiply
791,177.20x = 1,186,878.90 × 244,115.92 - Step 4: Simplify right side
791,177.20x = 289,736,034,602.09 - Step 5: Solve for x
x = 289,736,034,602.09/791,177.20 - Step 6: Final answer
x = 366,208.78
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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.