Finding the Fourth Proportional to 79,491.08, 119,242.16 and 26,882.80
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Solution
The fourth proportional to 79,491.08, 119,242.16 and 26,882.80 is: 40,326.07
Step by Step Solution
- Step 1: Write the proportion equation
79,491.08 : 119,242.16 = 26,882.80 : x - Step 2: Convert to fraction form
79,491.08/119,242.16 = 26,882.80/x - Step 3: Cross multiply
79,491.08x = 119,242.16 × 26,882.80 - Step 4: Simplify right side
79,491.08x = 3,205,563,138.85 - Step 5: Solve for x
x = 3,205,563,138.85/79,491.08 - Step 6: Final answer
x = 40,326.07
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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.