Finding the Fourth Proportional to 286,356.92, 395,161.68 and 159,040.68
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Solution
The fourth proportional to 286,356.92, 395,161.68 and 159,040.68 is: 219,470.10
Step by Step Solution
- Step 1: Write the proportion equation
286,356.92 : 395,161.68 = 159,040.68 : x - Step 2: Convert to fraction form
286,356.92/395,161.68 = 159,040.68/x - Step 3: Cross multiply
286,356.92x = 395,161.68 × 159,040.68 - Step 4: Simplify right side
286,356.92x = 62,846,782,297.14 - Step 5: Solve for x
x = 62,846,782,297.14/286,356.92 - Step 6: Final answer
x = 219,470.10
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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.