Finding the Fourth Proportional to 97,249.20, 145,873.80 and 79,738.80
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Solution
The fourth proportional to 97,249.20, 145,873.80 and 79,738.80 is: 119,608.20
Step by Step Solution
- Step 1: Write the proportion equation
97,249.20 : 145,873.80 = 79,738.80 : x - Step 2: Convert to fraction form
97,249.20/145,873.80 = 79,738.80/x - Step 3: Cross multiply
97,249.20x = 145,873.80 × 79,738.80 - Step 4: Simplify right side
97,249.20x = 11,631,801,763.44 - Step 5: Solve for x
x = 11,631,801,763.44/97,249.20 - Step 6: Final answer
x = 119,608.20
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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.