Finding the Fourth Proportional to 194,415.19, 291,737.60 and 82,088.13
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Solution
The fourth proportional to 194,415.19, 291,737.60 and 82,088.13 is: 123,180.68
Step by Step Solution
- Step 1: Write the proportion equation
194,415.19 : 291,737.60 = 82,088.13 : x - Step 2: Convert to fraction form
194,415.19/291,737.60 = 82,088.13/x - Step 3: Cross multiply
194,415.19x = 291,737.60 × 82,088.13 - Step 4: Simplify right side
194,415.19x = 23,948,195,026.09 - Step 5: Solve for x
x = 23,948,195,026.09/194,415.19 - Step 6: Final answer
x = 123,180.68
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1.5x scale
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.