Finding the Fourth Proportional to 337,631.80, 506,447.70 and 211,660.60
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Solution
The fourth proportional to 337,631.80, 506,447.70 and 211,660.60 is: 317,490.90
Step by Step Solution
- Step 1: Write the proportion equation
337,631.80 : 506,447.70 = 211,660.60 : x - Step 2: Convert to fraction form
337,631.80/506,447.70 = 211,660.60/x - Step 3: Cross multiply
337,631.80x = 506,447.70 × 211,660.60 - Step 4: Simplify right side
337,631.80x = 107,195,024,050.62 - Step 5: Solve for x
x = 107,195,024,050.62/337,631.80 - Step 6: Final answer
x = 317,490.90
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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.