Finding the Fourth Proportional to 251,793.84, 347,475.24 and 138,616.68
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Solution
The fourth proportional to 251,793.84, 347,475.24 and 138,616.68 is: 191,290.88
Step by Step Solution
- Step 1: Write the proportion equation
251,793.84 : 347,475.24 = 138,616.68 : x - Step 2: Convert to fraction form
251,793.84/347,475.24 = 138,616.68/x - Step 3: Cross multiply
251,793.84x = 347,475.24 × 138,616.68 - Step 4: Simplify right side
251,793.84x = 48,165,864,151.00 - Step 5: Solve for x
x = 48,165,864,151.00/251,793.84 - Step 6: Final answer
x = 191,290.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.