Finding the Fourth Proportional to 170,562.72, 235,378.46 and 94,084.53
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Solution
The fourth proportional to 170,562.72, 235,378.46 and 94,084.53 is: 129,837.70
Step by Step Solution
- Step 1: Write the proportion equation
170,562.72 : 235,378.46 = 94,084.53 : x - Step 2: Convert to fraction form
170,562.72/235,378.46 = 94,084.53/x - Step 3: Cross multiply
170,562.72x = 235,378.46 × 94,084.53 - Step 4: Simplify right side
170,562.72x = 22,145,471,310.80 - Step 5: Solve for x
x = 22,145,471,310.80/170,562.72 - Step 6: Final answer
x = 129,837.70
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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.