Finding the Fourth Proportional to 177,709.96, 266,639.04 and 77,941.84
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Solution
The fourth proportional to 177,709.96, 266,639.04 and 77,941.84 is: 116,945.26
Step by Step Solution
- Step 1: Write the proportion equation
177,709.96 : 266,639.04 = 77,941.84 : x - Step 2: Convert to fraction form
177,709.96/266,639.04 = 77,941.84/x - Step 3: Cross multiply
177,709.96x = 266,639.04 × 77,941.84 - Step 4: Simplify right side
177,709.96x = 20,782,337,393.43 - Step 5: Solve for x
x = 20,782,337,393.43/177,709.96 - Step 6: Final answer
x = 116,945.26
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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.