Finding the Fourth Proportional to 207,231.01, 310,833.82 and 121,889.06
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Solution
The fourth proportional to 207,231.01, 310,833.82 and 121,889.06 is: 182,826.12
Step by Step Solution
- Step 1: Write the proportion equation
207,231.01 : 310,833.82 = 121,889.06 : x - Step 2: Convert to fraction form
207,231.01/310,833.82 = 121,889.06/x - Step 3: Cross multiply
207,231.01x = 310,833.82 × 121,889.06 - Step 4: Simplify right side
207,231.01x = 37,887,242,136.01 - Step 5: Solve for x
x = 37,887,242,136.01/207,231.01 - Step 6: Final answer
x = 182,826.12
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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.