Finding the Fourth Proportional to 177,343.70, 266,015.55 and 84,031.70
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Solution
The fourth proportional to 177,343.70, 266,015.55 and 84,031.70 is: 126,047.55
Step by Step Solution
- Step 1: Write the proportion equation
177,343.70 : 266,015.55 = 84,031.70 : x - Step 2: Convert to fraction form
177,343.70/266,015.55 = 84,031.70/x - Step 3: Cross multiply
177,343.70x = 266,015.55 × 84,031.70 - Step 4: Simplify right side
177,343.70x = 22,353,738,892.94 - Step 5: Solve for x
x = 22,353,738,892.94/177,343.70 - Step 6: Final answer
x = 126,047.55
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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.