Finding the Fourth Proportional to 269,224.30, 403,836.45 and 157,031.20
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Solution
The fourth proportional to 269,224.30, 403,836.45 and 157,031.20 is: 235,546.80
Step by Step Solution
- Step 1: Write the proportion equation
269,224.30 : 403,836.45 = 157,031.20 : x - Step 2: Convert to fraction form
269,224.30/403,836.45 = 157,031.20/x - Step 3: Cross multiply
269,224.30x = 403,836.45 × 157,031.20 - Step 4: Simplify right side
269,224.30x = 63,414,922,347.24 - Step 5: Solve for x
x = 63,414,922,347.24/269,224.30 - Step 6: Final answer
x = 235,546.80
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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.