Finding the Fourth Proportional to 79,473.26, 119,209.95 and 20,308.99
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Solution
The fourth proportional to 79,473.26, 119,209.95 and 20,308.99 is: 30,463.50
Step by Step Solution
- Step 1: Write the proportion equation
79,473.26 : 119,209.95 = 20,308.99 : x - Step 2: Convert to fraction form
79,473.26/119,209.95 = 20,308.99/x - Step 3: Cross multiply
79,473.26x = 119,209.95 × 20,308.99 - Step 4: Simplify right side
79,473.26x = 2,421,033,832.70 - Step 5: Solve for x
x = 2,421,033,832.70/79,473.26 - Step 6: Final answer
x = 30,463.50
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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.