Finding the Fourth Proportional to 324,935.88, 487,216.21 and 100,235.98
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Solution
The fourth proportional to 324,935.88, 487,216.21 and 100,235.98 is: 150,296.09
Step by Step Solution
- Step 1: Write the proportion equation
324,935.88 : 487,216.21 = 100,235.98 : x - Step 2: Convert to fraction form
324,935.88/487,216.21 = 100,235.98/x - Step 3: Cross multiply
324,935.88x = 487,216.21 × 100,235.98 - Step 4: Simplify right side
324,935.88x = 48,836,593,780.06 - Step 5: Solve for x
x = 48,836,593,780.06/324,935.88 - Step 6: Final answer
x = 150,296.09
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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.