Finding the Fourth Proportional to 177,796.68, 266,738.40 and 53,137.68
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Solution
The fourth proportional to 177,796.68, 266,738.40 and 53,137.68 is: 79,719.48
Step by Step Solution
- Step 1: Write the proportion equation
177,796.68 : 266,738.40 = 53,137.68 : x - Step 2: Convert to fraction form
177,796.68/266,738.40 = 53,137.68/x - Step 3: Cross multiply
177,796.68x = 266,738.40 × 53,137.68 - Step 4: Simplify right side
177,796.68x = 14,173,859,742.91 - Step 5: Solve for x
x = 14,173,859,742.91/177,796.68 - Step 6: Final answer
x = 79,719.48
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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.