Finding the Fourth Proportional to 236,470.19, 354,845.49 and 221,508.71
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Solution
The fourth proportional to 236,470.19, 354,845.49 and 221,508.71 is: 332,394.40
Step by Step Solution
- Step 1: Write the proportion equation
236,470.19 : 354,845.49 = 221,508.71 : x - Step 2: Convert to fraction form
236,470.19/354,845.49 = 221,508.71/x - Step 3: Cross multiply
236,470.19x = 354,845.49 × 221,508.71 - Step 4: Simplify right side
236,470.19x = 78,601,366,739.22 - Step 5: Solve for x
x = 78,601,366,739.22/236,470.19 - Step 6: Final answer
x = 332,394.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.