Finding the Fourth Proportional to 323,126.99, 445,624.94 and 202,279.28
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Solution
The fourth proportional to 323,126.99, 445,624.94 and 202,279.28 is: 278,963.67
Step by Step Solution
- Step 1: Write the proportion equation
323,126.99 : 445,624.94 = 202,279.28 : x - Step 2: Convert to fraction form
323,126.99/445,624.94 = 202,279.28/x - Step 3: Cross multiply
323,126.99x = 445,624.94 × 202,279.28 - Step 4: Simplify right side
323,126.99x = 90,140,690,290.82 - Step 5: Solve for x
x = 90,140,690,290.82/323,126.99 - Step 6: Final answer
x = 278,963.67
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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.