Finding the Fourth Proportional to 288,887.94, 398,720.52 and 193,560.84
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Solution
The fourth proportional to 288,887.94, 398,720.52 and 193,560.84 is: 267,150.92
Step by Step Solution
- Step 1: Write the proportion equation
288,887.94 : 398,720.52 = 193,560.84 : x - Step 2: Convert to fraction form
288,887.94/398,720.52 = 193,560.84/x - Step 3: Cross multiply
288,887.94x = 398,720.52 × 193,560.84 - Step 4: Simplify right side
288,887.94x = 77,176,678,776.44 - Step 5: Solve for x
x = 77,176,678,776.44/288,887.94 - Step 6: Final answer
x = 267,150.92
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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.