Finding the Fourth Proportional to 187,207.92, 258,347.07 and 102,324.99
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Solution
The fourth proportional to 187,207.92, 258,347.07 and 102,324.99 is: 141,208.56
Step by Step Solution
- Step 1: Write the proportion equation
187,207.92 : 258,347.07 = 102,324.99 : x - Step 2: Convert to fraction form
187,207.92/258,347.07 = 102,324.99/x - Step 3: Cross multiply
187,207.92x = 258,347.07 × 102,324.99 - Step 4: Simplify right side
187,207.92x = 26,435,361,354.28 - Step 5: Solve for x
x = 26,435,361,354.28/187,207.92 - Step 6: Final answer
x = 141,208.56
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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.