Finding the Fourth Proportional to 115,443.99, 173,048.24 and 65,418.41
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Solution
The fourth proportional to 115,443.99, 173,048.24 and 65,418.41 is: 98,060.88
Step by Step Solution
- Step 1: Write the proportion equation
115,443.99 : 173,048.24 = 65,418.41 : x - Step 2: Convert to fraction form
115,443.99/173,048.24 = 65,418.41/x - Step 3: Cross multiply
115,443.99x = 173,048.24 × 65,418.41 - Step 4: Simplify right side
115,443.99x = 11,320,539,521.77 - Step 5: Solve for x
x = 11,320,539,521.77/115,443.99 - Step 6: Final answer
x = 98,060.88
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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.