Finding the Fourth Proportional to 115,554.24, 159,454.94 and 66,497.44
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Solution
The fourth proportional to 115,554.24, 159,454.94 and 66,497.44 is: 91,760.76
Step by Step Solution
- Step 1: Write the proportion equation
115,554.24 : 159,454.94 = 66,497.44 : x - Step 2: Convert to fraction form
115,554.24/159,454.94 = 66,497.44/x - Step 3: Cross multiply
115,554.24x = 159,454.94 × 66,497.44 - Step 4: Simplify right side
115,554.24x = 10,603,345,305.35 - Step 5: Solve for x
x = 10,603,345,305.35/115,554.24 - Step 6: Final answer
x = 91,760.76
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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.