Finding the Fourth Proportional to 115,108.11, 172,660.95 and 44,986.82
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Solution
The fourth proportional to 115,108.11, 172,660.95 and 44,986.82 is: 67,479.75
Step by Step Solution
- Step 1: Write the proportion equation
115,108.11 : 172,660.95 = 44,986.82 : x - Step 2: Convert to fraction form
115,108.11/172,660.95 = 44,986.82/x - Step 3: Cross multiply
115,108.11x = 172,660.95 × 44,986.82 - Step 4: Simplify right side
115,108.11x = 7,767,466,215.37 - Step 5: Solve for x
x = 7,767,466,215.37/115,108.11 - Step 6: Final answer
x = 67,479.75
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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.