Finding the Fourth Proportional to 484,563.04, 726,793.44 and 129,612.88
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Solution
The fourth proportional to 484,563.04, 726,793.44 and 129,612.88 is: 194,405.65
Step by Step Solution
- Step 1: Write the proportion equation
484,563.04 : 726,793.44 = 129,612.88 : x - Step 2: Convert to fraction form
484,563.04/726,793.44 = 129,612.88/x - Step 3: Cross multiply
484,563.04x = 726,793.44 × 129,612.88 - Step 4: Simplify right side
484,563.04x = 94,201,790,923.51 - Step 5: Solve for x
x = 94,201,790,923.51/484,563.04 - Step 6: Final answer
x = 194,405.65
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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.