Finding the Fourth Proportional to 397,234.80, 596,107.35 and 219,869.10
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Solution
The fourth proportional to 397,234.80, 596,107.35 and 219,869.10 is: 329,944.88
Step by Step Solution
- Step 1: Write the proportion equation
397,234.80 : 596,107.35 = 219,869.10 : x - Step 2: Convert to fraction form
397,234.80/596,107.35 = 219,869.10/x - Step 3: Cross multiply
397,234.80x = 596,107.35 × 219,869.10 - Step 4: Simplify right side
397,234.80x = 131,065,586,547.89 - Step 5: Solve for x
x = 131,065,586,547.89/397,234.80 - Step 6: Final answer
x = 329,944.88
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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.