Finding the Fourth Proportional to 307,475.87, 461,356.16 and 117,872.82
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Solution
The fourth proportional to 307,475.87, 461,356.16 and 117,872.82 is: 176,863.80
Step by Step Solution
- Step 1: Write the proportion equation
307,475.87 : 461,356.16 = 117,872.82 : x - Step 2: Convert to fraction form
307,475.87/461,356.16 = 117,872.82/x - Step 3: Cross multiply
307,475.87x = 461,356.16 × 117,872.82 - Step 4: Simplify right side
307,475.87x = 54,381,351,014.21 - Step 5: Solve for x
x = 54,381,351,014.21/307,475.87 - Step 6: Final answer
x = 176,863.80
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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.