Finding the Fourth Proportional to 471,288.34, 649,621.71 and 318,277.62
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Solution
The fourth proportional to 471,288.34, 649,621.71 and 318,277.62 is: 438,712.43
Step by Step Solution
- Step 1: Write the proportion equation
471,288.34 : 649,621.71 = 318,277.62 : x - Step 2: Convert to fraction form
471,288.34/649,621.71 = 318,277.62/x - Step 3: Cross multiply
471,288.34x = 649,621.71 × 318,277.62 - Step 4: Simplify right side
471,288.34x = 206,760,051,759.13 - Step 5: Solve for x
x = 206,760,051,759.13/471,288.34 - Step 6: Final answer
x = 438,712.43
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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.