Finding the Fourth Proportional to 261,325.26, 391,950.99 and 83,809.21
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Solution
The fourth proportional to 261,325.26, 391,950.99 and 83,809.21 is: 125,701.98
Step by Step Solution
- Step 1: Write the proportion equation
261,325.26 : 391,950.99 = 83,809.21 : x - Step 2: Convert to fraction form
261,325.26/391,950.99 = 83,809.21/x - Step 3: Cross multiply
261,325.26x = 391,950.99 × 83,809.21 - Step 4: Simplify right side
261,325.26x = 32,849,102,830.62 - Step 5: Solve for x
x = 32,849,102,830.62/261,325.26 - Step 6: Final answer
x = 125,701.98
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1.5x scale
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.