Finding the Fourth Proportional to 194,952.18, 292,438.56 and 54,721.74
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Solution
The fourth proportional to 194,952.18, 292,438.56 and 54,721.74 is: 82,085.50
Step by Step Solution
- Step 1: Write the proportion equation
194,952.18 : 292,438.56 = 54,721.74 : x - Step 2: Convert to fraction form
194,952.18/292,438.56 = 54,721.74/x - Step 3: Cross multiply
194,952.18x = 292,438.56 × 54,721.74 - Step 4: Simplify right side
194,952.18x = 16,002,746,846.29 - Step 5: Solve for x
x = 16,002,746,846.29/194,952.18 - Step 6: Final answer
x = 82,085.50
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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.