Finding the Fourth Proportional to 170,638.75, 235,470.84 and 94,158.46
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Solution
The fourth proportional to 170,638.75, 235,470.84 and 94,158.46 is: 129,932.80
Step by Step Solution
- Step 1: Write the proportion equation
170,638.75 : 235,470.84 = 94,158.46 : x - Step 2: Convert to fraction form
170,638.75/235,470.84 = 94,158.46/x - Step 3: Cross multiply
170,638.75x = 235,470.84 × 94,158.46 - Step 4: Simplify right side
170,638.75x = 22,171,570,491.95 - Step 5: Solve for x
x = 22,171,570,491.95/170,638.75 - Step 6: Final answer
x = 129,932.80
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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.