Finding the Fourth Proportional to 213,446.22, 294,567.12 and 122,815.95
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Solution
The fourth proportional to 213,446.22, 294,567.12 and 122,815.95 is: 169,492.53
Step by Step Solution
- Step 1: Write the proportion equation
213,446.22 : 294,567.12 = 122,815.95 : x - Step 2: Convert to fraction form
213,446.22/294,567.12 = 122,815.95/x - Step 3: Cross multiply
213,446.22x = 294,567.12 × 122,815.95 - Step 4: Simplify right side
213,446.22x = 36,177,540,681.56 - Step 5: Solve for x
x = 36,177,540,681.56/213,446.22 - Step 6: Final answer
x = 169,492.53
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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.