Finding the Fourth Proportional to 125,318.10, 187,933.35 and 50,418.78
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Solution
The fourth proportional to 125,318.10, 187,933.35 and 50,418.78 is: 75,610.55
Step by Step Solution
- Step 1: Write the proportion equation
125,318.10 : 187,933.35 = 50,418.78 : x - Step 2: Convert to fraction form
125,318.10/187,933.35 = 50,418.78/x - Step 3: Cross multiply
125,318.10x = 187,933.35 × 50,418.78 - Step 4: Simplify right side
125,318.10x = 9,475,370,228.31 - Step 5: Solve for x
x = 9,475,370,228.31/125,318.10 - Step 6: Final answer
x = 75,610.55
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1.5x scale
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.