Finding the Fourth Proportional to 187,357.91, 258,560.09 and 102,474.96
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Solution
The fourth proportional to 187,357.91, 258,560.09 and 102,474.96 is: 141,418.82
Step by Step Solution
- Step 1: Write the proportion equation
187,357.91 : 258,560.09 = 102,474.96 : x - Step 2: Convert to fraction form
187,357.91/258,560.09 = 102,474.96/x - Step 3: Cross multiply
187,357.91x = 258,560.09 × 102,474.96 - Step 4: Simplify right side
187,357.91x = 26,495,934,367.97 - Step 5: Solve for x
x = 26,495,934,367.97/187,357.91 - Step 6: Final answer
x = 141,418.82
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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.