Finding the Fourth Proportional to 312,864.66, 431,751.87 and 169,624.26
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Solution
The fourth proportional to 312,864.66, 431,751.87 and 169,624.26 is: 234,080.74
Step by Step Solution
- Step 1: Write the proportion equation
312,864.66 : 431,751.87 = 169,624.26 : x - Step 2: Convert to fraction form
312,864.66/431,751.87 = 169,624.26/x - Step 3: Cross multiply
312,864.66x = 431,751.87 × 169,624.26 - Step 4: Simplify right side
312,864.66x = 73,235,591,452.37 - Step 5: Solve for x
x = 73,235,591,452.37/312,864.66 - Step 6: Final answer
x = 234,080.74
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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.