Finding the Fourth Proportional to 187,469.43, 258,707.84 and 102,586.50
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Solution
The fourth proportional to 187,469.43, 258,707.84 and 102,586.50 is: 141,569.38
Step by Step Solution
- Step 1: Write the proportion equation
187,469.43 : 258,707.84 = 102,586.50 : x - Step 2: Convert to fraction form
187,469.43/258,707.84 = 102,586.50/x - Step 3: Cross multiply
187,469.43x = 258,707.84 × 102,586.50 - Step 4: Simplify right side
187,469.43x = 26,539,931,315.23 - Step 5: Solve for x
x = 26,539,931,315.23/187,469.43 - Step 6: Final answer
x = 141,569.38
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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.