Finding the Fourth Proportional to 187,234.69, 258,382.56 and 102,351.96
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Solution
The fourth proportional to 187,234.69, 258,382.56 and 102,351.96 is: 141,244.99
Step by Step Solution
- Step 1: Write the proportion equation
187,234.69 : 258,382.56 = 102,351.96 : x - Step 2: Convert to fraction form
187,234.69/258,382.56 = 102,351.96/x - Step 3: Cross multiply
187,234.69x = 258,382.56 × 102,351.96 - Step 4: Simplify right side
187,234.69x = 26,445,961,445.82 - Step 5: Solve for x
x = 26,445,961,445.82/187,234.69 - Step 6: Final answer
x = 141,244.99
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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.