Finding the Fourth Proportional to 177,343.80, 266,015.70 and 84,031.80
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Solution
The fourth proportional to 177,343.80, 266,015.70 and 84,031.80 is: 126,047.70
Step by Step Solution
- Step 1: Write the proportion equation
177,343.80 : 266,015.70 = 84,031.80 : x - Step 2: Convert to fraction form
177,343.80/266,015.70 = 84,031.80/x - Step 3: Cross multiply
177,343.80x = 266,015.70 × 84,031.80 - Step 4: Simplify right side
177,343.80x = 22,353,778,099.26 - Step 5: Solve for x
x = 22,353,778,099.26/177,343.80 - Step 6: Final answer
x = 126,047.70
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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.