Finding the Fourth Proportional to 251,584.05, 347,192.34 and 136,869.15
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Solution
The fourth proportional to 251,584.05, 347,192.34 and 136,869.15 is: 188,882.88
Step by Step Solution
- Step 1: Write the proportion equation
251,584.05 : 347,192.34 = 136,869.15 : x - Step 2: Convert to fraction form
251,584.05/347,192.34 = 136,869.15/x - Step 3: Cross multiply
251,584.05x = 347,192.34 × 136,869.15 - Step 4: Simplify right side
251,584.05x = 47,519,920,462.31 - Step 5: Solve for x
x = 47,519,920,462.31/251,584.05 - Step 6: Final answer
x = 188,882.88
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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.