Finding the Fourth Proportional to 327,201.74, 490,808.84 and 102,557.24
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Solution
The fourth proportional to 327,201.74, 490,808.84 and 102,557.24 is: 153,837.81
Step by Step Solution
- Step 1: Write the proportion equation
327,201.74 : 490,808.84 = 102,557.24 : x - Step 2: Convert to fraction form
327,201.74/490,808.84 = 102,557.24/x - Step 3: Cross multiply
327,201.74x = 490,808.84 × 102,557.24 - Step 4: Simplify right side
327,201.74x = 50,335,997,031.17 - Step 5: Solve for x
x = 50,335,997,031.17/327,201.74 - Step 6: Final answer
x = 153,837.81
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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.