Finding the Fourth Proportional to 325,236.08, 487,143.62 and 135,120.03
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Solution
The fourth proportional to 325,236.08, 487,143.62 and 135,120.03 is: 202,384.87
Step by Step Solution
- Step 1: Write the proportion equation
325,236.08 : 487,143.62 = 135,120.03 : x - Step 2: Convert to fraction form
325,236.08/487,143.62 = 135,120.03/x - Step 3: Cross multiply
325,236.08x = 487,143.62 × 135,120.03 - Step 4: Simplify right side
325,236.08x = 65,822,860,548.71 - Step 5: Solve for x
x = 65,822,860,548.71/325,236.08 - Step 6: Final answer
x = 202,384.87
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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.