Finding the Fourth Proportional to 263,371.23, 395,119.76 and 85,878.41
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Solution
The fourth proportional to 263,371.23, 395,119.76 and 85,878.41 is: 128,838.12
Step by Step Solution
- Step 1: Write the proportion equation
263,371.23 : 395,119.76 = 85,878.41 : x - Step 2: Convert to fraction form
263,371.23/395,119.76 = 85,878.41/x - Step 3: Cross multiply
263,371.23x = 395,119.76 × 85,878.41 - Step 4: Simplify right side
263,371.23x = 33,932,254,343.39 - Step 5: Solve for x
x = 33,932,254,343.39/263,371.23 - Step 6: Final answer
x = 128,838.12
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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.