Finding the Fourth Proportional to 484,462.20, 726,803.94 and 147,550.62
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Solution
The fourth proportional to 484,462.20, 726,803.94 and 147,550.62 is: 221,359.63
Step by Step Solution
- Step 1: Write the proportion equation
484,462.20 : 726,803.94 = 147,550.62 : x - Step 2: Convert to fraction form
484,462.20/726,803.94 = 147,550.62/x - Step 3: Cross multiply
484,462.20x = 726,803.94 × 147,550.62 - Step 4: Simplify right side
484,462.20x = 107,240,371,965.44 - Step 5: Solve for x
x = 107,240,371,965.44/484,462.20 - Step 6: Final answer
x = 221,359.63
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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.