Finding the Fourth Proportional to 269,108.70, 403,590.15 and 79,568.70
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Solution
The fourth proportional to 269,108.70, 403,590.15 and 79,568.70 is: 119,331.50
Step by Step Solution
- Step 1: Write the proportion equation
269,108.70 : 403,590.15 = 79,568.70 : x - Step 2: Convert to fraction form
269,108.70/403,590.15 = 79,568.70/x - Step 3: Cross multiply
269,108.70x = 403,590.15 × 79,568.70 - Step 4: Simplify right side
269,108.70x = 32,113,143,568.31 - Step 5: Solve for x
x = 32,113,143,568.31/269,108.70 - Step 6: Final answer
x = 119,331.50
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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.