Finding the Fourth Proportional to 177,809.80, 266,342.10 and 83,120.80
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Solution
The fourth proportional to 177,809.80, 266,342.10 and 83,120.80 is: 124,507.02
Step by Step Solution
- Step 1: Write the proportion equation
177,809.80 : 266,342.10 = 83,120.80 : x - Step 2: Convert to fraction form
177,809.80/266,342.10 = 83,120.80/x - Step 3: Cross multiply
177,809.80x = 266,342.10 × 83,120.80 - Step 4: Simplify right side
177,809.80x = 22,138,568,425.68 - Step 5: Solve for x
x = 22,138,568,425.68/177,809.80 - Step 6: Final answer
x = 124,507.02
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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.