Finding the Fourth Proportional to 211,951.32, 292,491.99 and 121,306.92
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Solution
The fourth proportional to 211,951.32, 292,491.99 and 121,306.92 is: 167,403.07
Step by Step Solution
- Step 1: Write the proportion equation
211,951.32 : 292,491.99 = 121,306.92 : x - Step 2: Convert to fraction form
211,951.32/292,491.99 = 121,306.92/x - Step 3: Cross multiply
211,951.32x = 292,491.99 × 121,306.92 - Step 4: Simplify right side
211,951.32x = 35,481,302,431.57 - Step 5: Solve for x
x = 35,481,302,431.57/211,951.32 - Step 6: Final answer
x = 167,403.07
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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.