Finding the Fourth Proportional to 136,426.92, 204,668.12 and 57,541.42
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Solution
The fourth proportional to 136,426.92, 204,668.12 and 57,541.42 is: 86,323.83
Step by Step Solution
- Step 1: Write the proportion equation
136,426.92 : 204,668.12 = 57,541.42 : x - Step 2: Convert to fraction form
136,426.92/204,668.12 = 57,541.42/x - Step 3: Cross multiply
136,426.92x = 204,668.12 × 57,541.42 - Step 4: Simplify right side
136,426.92x = 11,776,894,253.53 - Step 5: Solve for x
x = 11,776,894,253.53/136,426.92 - Step 6: Final answer
x = 86,323.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.