Finding the Fourth Proportional to 324,643.32, 487,054.86 and 135,192.84
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Solution
The fourth proportional to 324,643.32, 487,054.86 and 135,192.84 is: 202,826.69
Step by Step Solution
- Step 1: Write the proportion equation
324,643.32 : 487,054.86 = 135,192.84 : x - Step 2: Convert to fraction form
324,643.32/487,054.86 = 135,192.84/x - Step 3: Cross multiply
324,643.32x = 487,054.86 × 135,192.84 - Step 4: Simplify right side
324,643.32x = 65,846,329,759.20 - Step 5: Solve for x
x = 65,846,329,759.20/324,643.32 - Step 6: Final answer
x = 202,826.69
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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.