Finding the Fourth Proportional to 252,776.91, 348,899.36 and 157,229.31
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Solution
The fourth proportional to 252,776.91, 348,899.36 and 157,229.31 is: 217,018.26
Step by Step Solution
- Step 1: Write the proportion equation
252,776.91 : 348,899.36 = 157,229.31 : x - Step 2: Convert to fraction form
252,776.91/348,899.36 = 157,229.31/x - Step 3: Cross multiply
252,776.91x = 348,899.36 × 157,229.31 - Step 4: Simplify right side
252,776.91x = 54,857,205,632.24 - Step 5: Solve for x
x = 54,857,205,632.24/252,776.91 - Step 6: Final answer
x = 217,018.26
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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.