Finding the Fourth Proportional to 518,135.77, 777,231.39 and 163,177.43
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Solution
The fourth proportional to 518,135.77, 777,231.39 and 163,177.43 is: 244,774.88
Step by Step Solution
- Step 1: Write the proportion equation
518,135.77 : 777,231.39 = 163,177.43 : x - Step 2: Convert to fraction form
518,135.77/777,231.39 = 163,177.43/x - Step 3: Cross multiply
518,135.77x = 777,231.39 × 163,177.43 - Step 4: Simplify right side
518,135.77x = 126,826,620,735.53 - Step 5: Solve for x
x = 126,826,620,735.53/518,135.77 - Step 6: Final answer
x = 244,774.88
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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.