Finding the Fourth Proportional to 261,047.20, 391,570.80 and 194,617.08
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Solution
The fourth proportional to 261,047.20, 391,570.80 and 194,617.08 is: 291,925.62
Step by Step Solution
- Step 1: Write the proportion equation
261,047.20 : 391,570.80 = 194,617.08 : x - Step 2: Convert to fraction form
261,047.20/391,570.80 = 194,617.08/x - Step 3: Cross multiply
261,047.20x = 391,570.80 × 194,617.08 - Step 4: Simplify right side
261,047.20x = 76,206,365,709.26 - Step 5: Solve for x
x = 76,206,365,709.26/261,047.20 - Step 6: Final answer
x = 291,925.62
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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.