Finding the Fourth Proportional to 187,234.19, 258,378.32 and 110,757.23
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Solution
The fourth proportional to 187,234.19, 258,378.32 and 110,757.23 is: 152,842.10
Step by Step Solution
- Step 1: Write the proportion equation
187,234.19 : 258,378.32 = 110,757.23 : x - Step 2: Convert to fraction form
187,234.19/258,378.32 = 110,757.23/x - Step 3: Cross multiply
187,234.19x = 258,378.32 × 110,757.23 - Step 4: Simplify right side
187,234.19x = 28,617,267,015.25 - Step 5: Solve for x
x = 28,617,267,015.25/187,234.19 - Step 6: Final answer
x = 152,842.10
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1.5x scale
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.