Finding the Fourth Proportional to 251,656.26, 347,285.50 and 138,479.01
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Solution
The fourth proportional to 251,656.26, 347,285.50 and 138,479.01 is: 191,100.96
Step by Step Solution
- Step 1: Write the proportion equation
251,656.26 : 347,285.50 = 138,479.01 : x - Step 2: Convert to fraction form
251,656.26/347,285.50 = 138,479.01/x - Step 3: Cross multiply
251,656.26x = 347,285.50 × 138,479.01 - Step 4: Simplify right side
251,656.26x = 48,091,752,227.36 - Step 5: Solve for x
x = 48,091,752,227.36/251,656.26 - Step 6: Final answer
x = 191,100.96
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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.