Finding the Fourth Proportional to 194,720.70, 291,862.35 and 82,381.80
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Solution
The fourth proportional to 194,720.70, 291,862.35 and 82,381.80 is: 123,480.17
Step by Step Solution
- Step 1: Write the proportion equation
194,720.70 : 291,862.35 = 82,381.80 : x - Step 2: Convert to fraction form
194,720.70/291,862.35 = 82,381.80/x - Step 3: Cross multiply
194,720.70x = 291,862.35 × 82,381.80 - Step 4: Simplify right side
194,720.70x = 24,044,145,745.23 - Step 5: Solve for x
x = 24,044,145,745.23/194,720.70 - Step 6: Final answer
x = 123,480.17
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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.