Finding the Fourth Proportional to 135,507.15, 202,252.17 and 117,414.54
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Solution
The fourth proportional to 135,507.15, 202,252.17 and 117,414.54 is: 175,247.91
Step by Step Solution
- Step 1: Write the proportion equation
135,507.15 : 202,252.17 = 117,414.54 : x - Step 2: Convert to fraction form
135,507.15/202,252.17 = 117,414.54/x - Step 3: Cross multiply
135,507.15x = 202,252.17 × 117,414.54 - Step 4: Simplify right side
135,507.15x = 23,747,345,504.55 - Step 5: Solve for x
x = 23,747,345,504.55/135,507.15 - Step 6: Final answer
x = 175,247.91
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.