Finding the Fourth Proportional to 168,470.44, 252,765.80 and 72,367.28
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Solution
The fourth proportional to 168,470.44, 252,765.80 and 72,367.28 is: 108,576.75
Step by Step Solution
- Step 1: Write the proportion equation
168,470.44 : 252,765.80 = 72,367.28 : x - Step 2: Convert to fraction form
168,470.44/252,765.80 = 72,367.28/x - Step 3: Cross multiply
168,470.44x = 252,765.80 × 72,367.28 - Step 4: Simplify right side
168,470.44x = 18,291,973,423.02 - Step 5: Solve for x
x = 18,291,973,423.02/168,470.44 - Step 6: Final answer
x = 108,576.75
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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.