Finding the Fourth Proportional to 194,391.66, 291,587.49 and 54,149.88
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Solution
The fourth proportional to 194,391.66, 291,587.49 and 54,149.88 is: 81,224.82
Step by Step Solution
- Step 1: Write the proportion equation
194,391.66 : 291,587.49 = 54,149.88 : x - Step 2: Convert to fraction form
194,391.66/291,587.49 = 54,149.88/x - Step 3: Cross multiply
194,391.66x = 291,587.49 × 54,149.88 - Step 4: Simplify right side
194,391.66x = 15,789,427,593.00 - Step 5: Solve for x
x = 15,789,427,593.00/194,391.66 - Step 6: Final answer
x = 81,224.82
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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.