Finding the Fourth Proportional to 211,843.59, 292,353.35 and 121,227.99
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Solution
The fourth proportional to 211,843.59, 292,353.35 and 121,227.99 is: 167,299.89
Step by Step Solution
- Step 1: Write the proportion equation
211,843.59 : 292,353.35 = 121,227.99 : x - Step 2: Convert to fraction form
211,843.59/292,353.35 = 121,227.99/x - Step 3: Cross multiply
211,843.59x = 292,353.35 × 121,227.99 - Step 4: Simplify right side
211,843.59x = 35,441,408,384.13 - Step 5: Solve for x
x = 35,441,408,384.13/211,843.59 - Step 6: Final answer
x = 167,299.89
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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.