Finding the Fourth Proportional to 202,044.30, 278,771.94 and 130,408.98
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Solution
The fourth proportional to 202,044.30, 278,771.94 and 130,408.98 is: 179,932.64
Step by Step Solution
- Step 1: Write the proportion equation
202,044.30 : 278,771.94 = 130,408.98 : x - Step 2: Convert to fraction form
202,044.30/278,771.94 = 130,408.98/x - Step 3: Cross multiply
202,044.30x = 278,771.94 × 130,408.98 - Step 4: Simplify right side
202,044.30x = 36,354,364,348.02 - Step 5: Solve for x
x = 36,354,364,348.02/202,044.30 - Step 6: Final answer
x = 179,932.64
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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.