Finding the Fourth Proportional to 309,203.24, 462,871.19 and 279,635.00
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Solution
The fourth proportional to 309,203.24, 462,871.19 and 279,635.00 is: 418,608.12
Step by Step Solution
- Step 1: Write the proportion equation
309,203.24 : 462,871.19 = 279,635.00 : x - Step 2: Convert to fraction form
309,203.24/462,871.19 = 279,635.00/x - Step 3: Cross multiply
309,203.24x = 462,871.19 × 279,635.00 - Step 4: Simplify right side
309,203.24x = 129,434,983,600.38 - Step 5: Solve for x
x = 129,434,983,600.38/309,203.24 - Step 6: Final answer
x = 418,608.12
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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.