Finding the Fourth Proportional to 351,211.92, 484,620.28 and 213,319.08
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Solution
The fourth proportional to 351,211.92, 484,620.28 and 213,319.08 is: 294,348.64
Step by Step Solution
- Step 1: Write the proportion equation
351,211.92 : 484,620.28 = 213,319.08 : x - Step 2: Convert to fraction form
351,211.92/484,620.28 = 213,319.08/x - Step 3: Cross multiply
351,211.92x = 484,620.28 × 213,319.08 - Step 4: Simplify right side
351,211.92x = 103,378,752,278.94 - Step 5: Solve for x
x = 103,378,752,278.94/351,211.92 - Step 6: Final answer
x = 294,348.64
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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.