Finding the Fourth Proportional to 194,927.80, 292,391.70 and 47,183.80
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Solution
The fourth proportional to 194,927.80, 292,391.70 and 47,183.80 is: 70,775.70
Step by Step Solution
- Step 1: Write the proportion equation
194,927.80 : 292,391.70 = 47,183.80 : x - Step 2: Convert to fraction form
194,927.80/292,391.70 = 47,183.80/x - Step 3: Cross multiply
194,927.80x = 292,391.70 × 47,183.80 - Step 4: Simplify right side
194,927.80x = 13,796,151,494.46 - Step 5: Solve for x
x = 13,796,151,494.46/194,927.80 - Step 6: Final answer
x = 70,775.70
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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.