Finding the Fourth Proportional to 80,269.99, 120,330.50 and 29,641.05
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Solution
The fourth proportional to 80,269.99, 120,330.50 and 29,641.05 is: 44,434.07
Step by Step Solution
- Step 1: Write the proportion equation
80,269.99 : 120,330.50 = 29,641.05 : x - Step 2: Convert to fraction form
80,269.99/120,330.50 = 29,641.05/x - Step 3: Cross multiply
80,269.99x = 120,330.50 × 29,641.05 - Step 4: Simplify right side
80,269.99x = 3,566,722,218.82 - Step 5: Solve for x
x = 3,566,722,218.82/80,269.99 - Step 6: Final answer
x = 44,434.07
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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.