Finding the Fourth Proportional to 330,831.99, 456,652.22 and 187,687.17
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Solution
The fourth proportional to 330,831.99, 456,652.22 and 187,687.17 is: 259,067.33
Step by Step Solution
- Step 1: Write the proportion equation
330,831.99 : 456,652.22 = 187,687.17 : x - Step 2: Convert to fraction form
330,831.99/456,652.22 = 187,687.17/x - Step 3: Cross multiply
330,831.99x = 456,652.22 × 187,687.17 - Step 4: Simplify right side
330,831.99x = 85,707,761,907.58 - Step 5: Solve for x
x = 85,707,761,907.58/330,831.99 - Step 6: Final answer
x = 259,067.33
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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.