Finding the Fourth Proportional to 213,347.98, 294,408.84 and 122,689.54
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Solution
The fourth proportional to 213,347.98, 294,408.84 and 122,689.54 is: 169,305.03
Step by Step Solution
- Step 1: Write the proportion equation
213,347.98 : 294,408.84 = 122,689.54 : x - Step 2: Convert to fraction form
213,347.98/294,408.84 = 122,689.54/x - Step 3: Cross multiply
213,347.98x = 294,408.84 × 122,689.54 - Step 4: Simplify right side
213,347.98x = 36,120,885,151.53 - Step 5: Solve for x
x = 36,120,885,151.53/213,347.98 - Step 6: Final answer
x = 169,305.03
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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.