Finding the Fourth Proportional to 203,689.09, 305,348.95 and 110,085.49
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Solution
The fourth proportional to 203,689.09, 305,348.95 and 110,085.49 is: 165,028.42
Step by Step Solution
- Step 1: Write the proportion equation
203,689.09 : 305,348.95 = 110,085.49 : x - Step 2: Convert to fraction form
203,689.09/305,348.95 = 110,085.49/x - Step 3: Cross multiply
203,689.09x = 305,348.95 × 110,085.49 - Step 4: Simplify right side
203,689.09x = 33,614,488,781.74 - Step 5: Solve for x
x = 33,614,488,781.74/203,689.09 - Step 6: Final answer
x = 165,028.42
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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.