Finding the Fourth Proportional to 133,050.20, 199,575.30 and 39,543.80
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Solution
The fourth proportional to 133,050.20, 199,575.30 and 39,543.80 is: 59,315.70
Step by Step Solution
- Step 1: Write the proportion equation
133,050.20 : 199,575.30 = 39,543.80 : x - Step 2: Convert to fraction form
133,050.20/199,575.30 = 39,543.80/x - Step 3: Cross multiply
133,050.20x = 199,575.30 × 39,543.80 - Step 4: Simplify right side
133,050.20x = 7,891,965,748.14 - Step 5: Solve for x
x = 7,891,965,748.14/133,050.20 - Step 6: Final answer
x = 59,315.70
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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.