Finding the Fourth Proportional to 213,508.96, 294,671.66 and 122,863.08
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Solution
The fourth proportional to 213,508.96, 294,671.66 and 122,863.08 is: 169,567.90
Step by Step Solution
- Step 1: Write the proportion equation
213,508.96 : 294,671.66 = 122,863.08 : x - Step 2: Convert to fraction form
213,508.96/294,671.66 = 122,863.08/x - Step 3: Cross multiply
213,508.96x = 294,671.66 × 122,863.08 - Step 4: Simplify right side
213,508.96x = 36,204,266,570.11 - Step 5: Solve for x
x = 36,204,266,570.11/213,508.96 - Step 6: Final answer
x = 169,567.90
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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.