Finding the Fourth Proportional to 417,890.75, 576,689.24 and 239,042.75
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Solution
The fourth proportional to 417,890.75, 576,689.24 and 239,042.75 is: 329,879.00
Step by Step Solution
- Step 1: Write the proportion equation
417,890.75 : 576,689.24 = 239,042.75 : x - Step 2: Convert to fraction form
417,890.75/576,689.24 = 239,042.75/x - Step 3: Cross multiply
417,890.75x = 576,689.24 × 239,042.75 - Step 4: Simplify right side
417,890.75x = 137,853,381,825.01 - Step 5: Solve for x
x = 137,853,381,825.01/417,890.75 - Step 6: Final answer
x = 329,879.00
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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.