Finding the Fourth Proportional to 256,031.44, 353,224.84 and 160,371.60
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Solution
The fourth proportional to 256,031.44, 353,224.84 and 160,371.60 is: 221,251.08
Step by Step Solution
- Step 1: Write the proportion equation
256,031.44 : 353,224.84 = 160,371.60 : x - Step 2: Convert to fraction form
256,031.44/353,224.84 = 160,371.60/x - Step 3: Cross multiply
256,031.44x = 353,224.84 × 160,371.60 - Step 4: Simplify right side
256,031.44x = 56,647,232,750.54 - Step 5: Solve for x
x = 56,647,232,750.54/256,031.44 - Step 6: Final answer
x = 221,251.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.