Finding the Fourth Proportional to 136,252.28, 204,420.04 and 69,739.54
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Solution
The fourth proportional to 136,252.28, 204,420.04 and 69,739.54 is: 104,630.61
Step by Step Solution
- Step 1: Write the proportion equation
136,252.28 : 204,420.04 = 69,739.54 : x - Step 2: Convert to fraction form
136,252.28/204,420.04 = 69,739.54/x - Step 3: Cross multiply
136,252.28x = 204,420.04 × 69,739.54 - Step 4: Simplify right side
136,252.28x = 14,256,159,556.38 - Step 5: Solve for x
x = 14,256,159,556.38/136,252.28 - Step 6: Final answer
x = 104,630.61
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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.