Finding the Fourth Proportional to 239,352.09, 330,304.23 and 131,922.18
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Solution
The fourth proportional to 239,352.09, 330,304.23 and 131,922.18 is: 182,051.70
Step by Step Solution
- Step 1: Write the proportion equation
239,352.09 : 330,304.23 = 131,922.18 : x - Step 2: Convert to fraction form
239,352.09/330,304.23 = 131,922.18/x - Step 3: Cross multiply
239,352.09x = 330,304.23 × 131,922.18 - Step 4: Simplify right side
239,352.09x = 43,574,454,084.82 - Step 5: Solve for x
x = 43,574,454,084.82/239,352.09 - Step 6: Final answer
x = 182,051.70
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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.