Finding the Fourth Proportional to 187,170.06, 258,294.79 and 102,287.12
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Solution
The fourth proportional to 187,170.06, 258,294.79 and 102,287.12 is: 141,156.28
Step by Step Solution
- Step 1: Write the proportion equation
187,170.06 : 258,294.79 = 102,287.12 : x - Step 2: Convert to fraction form
187,170.06/258,294.79 = 102,287.12/x - Step 3: Cross multiply
187,170.06x = 258,294.79 × 102,287.12 - Step 4: Simplify right side
187,170.06x = 26,420,230,180.10 - Step 5: Solve for x
x = 26,420,230,180.10/187,170.06 - Step 6: Final answer
x = 141,156.28
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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.