Finding the Fourth Proportional to 471,126.24, 650,037.96 and 289,867.68
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Solution
The fourth proportional to 471,126.24, 650,037.96 and 289,867.68 is: 399,945.87
Step by Step Solution
- Step 1: Write the proportion equation
471,126.24 : 650,037.96 = 289,867.68 : x - Step 2: Convert to fraction form
471,126.24/650,037.96 = 289,867.68/x - Step 3: Cross multiply
471,126.24x = 650,037.96 × 289,867.68 - Step 4: Simplify right side
471,126.24x = 188,424,995,377.13 - Step 5: Solve for x
x = 188,424,995,377.13/471,126.24 - Step 6: Final answer
x = 399,945.87
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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.