Finding the Fourth Proportional to 416,786.31, 575,163.99 and 225,800.06
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Solution
The fourth proportional to 416,786.31, 575,163.99 and 225,800.06 is: 311,603.47
Step by Step Solution
- Step 1: Write the proportion equation
416,786.31 : 575,163.99 = 225,800.06 : x - Step 2: Convert to fraction form
416,786.31/575,163.99 = 225,800.06/x - Step 3: Cross multiply
416,786.31x = 575,163.99 × 225,800.06 - Step 4: Simplify right side
416,786.31x = 129,872,060,576.02 - Step 5: Solve for x
x = 129,872,060,576.02/416,786.31 - Step 6: Final answer
x = 311,603.47
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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.