Finding the Fourth Proportional to 499,551.87, 689,380.10 and 270,107.53
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Solution
The fourth proportional to 499,551.87, 689,380.10 and 270,107.53 is: 372,747.59
Step by Step Solution
- Step 1: Write the proportion equation
499,551.87 : 689,380.10 = 270,107.53 : x - Step 2: Convert to fraction form
499,551.87/689,380.10 = 270,107.53/x - Step 3: Cross multiply
499,551.87x = 689,380.10 × 270,107.53 - Step 4: Simplify right side
499,551.87x = 186,206,756,042.15 - Step 5: Solve for x
x = 186,206,756,042.15/499,551.87 - Step 6: Final answer
x = 372,747.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.