Finding the Fourth Proportional to 177,656.80, 266,446.80 and 77,816.80
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Solution
The fourth proportional to 177,656.80, 266,446.80 and 77,816.80 is: 116,708.38
Step by Step Solution
- Step 1: Write the proportion equation
177,656.80 : 266,446.80 = 77,816.80 : x - Step 2: Convert to fraction form
177,656.80/266,446.80 = 77,816.80/x - Step 3: Cross multiply
177,656.80x = 266,446.80 × 77,816.80 - Step 4: Simplify right side
177,656.80x = 20,734,037,346.24 - Step 5: Solve for x
x = 20,734,037,346.24/177,656.80 - Step 6: Final answer
x = 116,708.38
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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.