Finding the Fourth Proportional to 187,514.74, 258,760.41 and 102,615.40
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Solution
The fourth proportional to 187,514.74, 258,760.41 and 102,615.40 is: 141,603.82
Step by Step Solution
- Step 1: Write the proportion equation
187,514.74 : 258,760.41 = 102,615.40 : x - Step 2: Convert to fraction form
187,514.74/258,760.41 = 102,615.40/x - Step 3: Cross multiply
187,514.74x = 258,760.41 × 102,615.40 - Step 4: Simplify right side
187,514.74x = 26,552,802,976.31 - Step 5: Solve for x
x = 26,552,802,976.31/187,514.74 - Step 6: Final answer
x = 141,603.82
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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.