Finding the Fourth Proportional to 187,660.19, 258,974.82 and 102,777.26
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Solution
The fourth proportional to 187,660.19, 258,974.82 and 102,777.26 is: 141,834.67
Step by Step Solution
- Step 1: Write the proportion equation
187,660.19 : 258,974.82 = 102,777.26 : x - Step 2: Convert to fraction form
187,660.19/258,974.82 = 102,777.26/x - Step 3: Cross multiply
187,660.19x = 258,974.82 × 102,777.26 - Step 4: Simplify right side
187,660.19x = 26,616,721,113.72 - Step 5: Solve for x
x = 26,616,721,113.72/187,660.19 - Step 6: Final answer
x = 141,834.67
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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.