Finding the Fourth Proportional to 177,343.20, 266,014.80 and 84,031.20
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Solution
The fourth proportional to 177,343.20, 266,014.80 and 84,031.20 is: 126,046.80
Step by Step Solution
- Step 1: Write the proportion equation
177,343.20 : 266,014.80 = 84,031.20 : x - Step 2: Convert to fraction form
177,343.20/266,014.80 = 84,031.20/x - Step 3: Cross multiply
177,343.20x = 266,014.80 × 84,031.20 - Step 4: Simplify right side
177,343.20x = 22,353,542,861.76 - Step 5: Solve for x
x = 22,353,542,861.76/177,343.20 - Step 6: Final answer
x = 126,046.80
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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.