Finding the Fourth Proportional to 194,625.80, 291,938.70 and 89,649.80
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Solution
The fourth proportional to 194,625.80, 291,938.70 and 89,649.80 is: 134,474.70
Step by Step Solution
- Step 1: Write the proportion equation
194,625.80 : 291,938.70 = 89,649.80 : x - Step 2: Convert to fraction form
194,625.80/291,938.70 = 89,649.80/x - Step 3: Cross multiply
194,625.80x = 291,938.70 × 89,649.80 - Step 4: Simplify right side
194,625.80x = 26,172,246,067.26 - Step 5: Solve for x
x = 26,172,246,067.26/194,625.80 - Step 6: Final answer
x = 134,474.70
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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.