Finding the Fourth Proportional to 194,756.87, 291,366.66 and 147,508.10
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Solution
The fourth proportional to 194,756.87, 291,366.66 and 147,508.10 is: 220,679.98
Step by Step Solution
- Step 1: Write the proportion equation
194,756.87 : 291,366.66 = 147,508.10 : x - Step 2: Convert to fraction form
194,756.87/291,366.66 = 147,508.10/x - Step 3: Cross multiply
194,756.87x = 291,366.66 × 147,508.10 - Step 4: Simplify right side
194,756.87x = 42,978,942,419.95 - Step 5: Solve for x
x = 42,978,942,419.95/194,756.87 - Step 6: Final answer
x = 220,679.98
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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.