Finding the Fourth Proportional to 269,147.61, 371,430.39 and 165,742.66
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Solution
The fourth proportional to 269,147.61, 371,430.39 and 165,742.66 is: 228,728.99
Step by Step Solution
- Step 1: Write the proportion equation
269,147.61 : 371,430.39 = 165,742.66 : x - Step 2: Convert to fraction form
269,147.61/371,430.39 = 165,742.66/x - Step 3: Cross multiply
269,147.61x = 371,430.39 × 165,742.66 - Step 4: Simplify right side
269,147.61x = 61,561,862,624.30 - Step 5: Solve for x
x = 61,561,862,624.30/269,147.61 - Step 6: Final answer
x = 228,728.99
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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.