Finding the Fourth Proportional to 177,266.14, 265,716.80 and 77,407.66
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Solution
The fourth proportional to 177,266.14, 265,716.80 and 77,407.66 is: 116,031.84
Step by Step Solution
- Step 1: Write the proportion equation
177,266.14 : 265,716.80 = 77,407.66 : x - Step 2: Convert to fraction form
177,266.14/265,716.80 = 77,407.66/x - Step 3: Cross multiply
177,266.14x = 265,716.80 × 77,407.66 - Step 4: Simplify right side
177,266.14x = 20,568,515,710.69 - Step 5: Solve for x
x = 20,568,515,710.69/177,266.14 - Step 6: Final answer
x = 116,031.84
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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.