Finding the Fourth Proportional to 115,252.79, 172,760.61 and 44,156.12
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Solution
The fourth proportional to 115,252.79, 172,760.61 and 44,156.12 is: 66,188.75
Step by Step Solution
- Step 1: Write the proportion equation
115,252.79 : 172,760.61 = 44,156.12 : x - Step 2: Convert to fraction form
115,252.79/172,760.61 = 44,156.12/x - Step 3: Cross multiply
115,252.79x = 172,760.61 × 44,156.12 - Step 4: Simplify right side
115,252.79x = 7,628,438,226.43 - Step 5: Solve for x
x = 7,628,438,226.43/115,252.79 - Step 6: Final answer
x = 66,188.75
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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.