Finding the Fourth Proportional to 194,137.40, 291,206.10 and 154,479.80
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Solution
The fourth proportional to 194,137.40, 291,206.10 and 154,479.80 is: 231,719.70
Step by Step Solution
- Step 1: Write the proportion equation
194,137.40 : 291,206.10 = 154,479.80 : x - Step 2: Convert to fraction form
194,137.40/291,206.10 = 154,479.80/x - Step 3: Cross multiply
194,137.40x = 291,206.10 × 154,479.80 - Step 4: Simplify right side
194,137.40x = 44,985,460,086.78 - Step 5: Solve for x
x = 44,985,460,086.78/194,137.40 - Step 6: Final answer
x = 231,719.70
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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.