Finding the Fourth Proportional to 208,828.43, 288,183.12 and 118,182.75
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Solution
The fourth proportional to 208,828.43, 288,183.12 and 118,182.75 is: 163,092.12
Step by Step Solution
- Step 1: Write the proportion equation
208,828.43 : 288,183.12 = 118,182.75 : x - Step 2: Convert to fraction form
208,828.43/288,183.12 = 118,182.75/x - Step 3: Cross multiply
208,828.43x = 288,183.12 × 118,182.75 - Step 4: Simplify right side
208,828.43x = 34,058,272,101.31 - Step 5: Solve for x
x = 34,058,272,101.31/208,828.43 - Step 6: Final answer
x = 163,092.12
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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.