Finding the Fourth Proportional to 168,378.80, 252,438.60 and 94,506.80
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Solution
The fourth proportional to 168,378.80, 252,438.60 and 94,506.80 is: 141,687.46
Step by Step Solution
- Step 1: Write the proportion equation
168,378.80 : 252,438.60 = 94,506.80 : x - Step 2: Convert to fraction form
168,378.80/252,438.60 = 94,506.80/x - Step 3: Cross multiply
168,378.80x = 252,438.60 × 94,506.80 - Step 4: Simplify right side
168,378.80x = 23,857,164,282.48 - Step 5: Solve for x
x = 23,857,164,282.48/168,378.80 - Step 6: Final answer
x = 141,687.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.