Finding the Fourth Proportional to 239,425.71, 330,406.29 and 131,995.41
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Solution
The fourth proportional to 239,425.71, 330,406.29 and 131,995.41 is: 182,153.01
Step by Step Solution
- Step 1: Write the proportion equation
239,425.71 : 330,406.29 = 131,995.41 : x - Step 2: Convert to fraction form
239,425.71/330,406.29 = 131,995.41/x - Step 3: Cross multiply
239,425.71x = 330,406.29 × 131,995.41 - Step 4: Simplify right side
239,425.71x = 43,612,113,715.13 - Step 5: Solve for x
x = 43,612,113,715.13/239,425.71 - Step 6: Final answer
x = 182,153.01
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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.