Finding the Fourth Proportional to 311,624.91, 467,271.06 and 161,714.26
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Solution
The fourth proportional to 311,624.91, 467,271.06 and 161,714.26 is: 242,485.09
Step by Step Solution
- Step 1: Write the proportion equation
311,624.91 : 467,271.06 = 161,714.26 : x - Step 2: Convert to fraction form
311,624.91/467,271.06 = 161,714.26/x - Step 3: Cross multiply
311,624.91x = 467,271.06 × 161,714.26 - Step 4: Simplify right side
311,624.91x = 75,564,393,687.32 - Step 5: Solve for x
x = 75,564,393,687.32/311,624.91 - Step 6: Final answer
x = 242,485.09
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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.