Finding the Fourth Proportional to 239,252.21, 330,182.74 and 131,822.21
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Solution
The fourth proportional to 239,252.21, 330,182.74 and 131,822.21 is: 181,922.74
Step by Step Solution
- Step 1: Write the proportion equation
239,252.21 : 330,182.74 = 131,822.21 : x - Step 2: Convert to fraction form
239,252.21/330,182.74 = 131,822.21/x - Step 3: Cross multiply
239,252.21x = 330,182.74 × 131,822.21 - Step 4: Simplify right side
239,252.21x = 43,525,417,831.54 - Step 5: Solve for x
x = 43,525,417,831.54/239,252.21 - Step 6: Final answer
x = 181,922.74
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1.5x scale
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.