Finding the Fourth Proportional to 239,397.26, 330,368.09 and 131,969.08
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Solution
The fourth proportional to 239,397.26, 330,368.09 and 131,969.08 is: 182,117.26
Step by Step Solution
- Step 1: Write the proportion equation
239,397.26 : 330,368.09 = 131,969.08 : x - Step 2: Convert to fraction form
239,397.26/330,368.09 = 131,969.08/x - Step 3: Cross multiply
239,397.26x = 330,368.09 × 131,969.08 - Step 4: Simplify right side
239,397.26x = 43,598,373,064.73 - Step 5: Solve for x
x = 43,598,373,064.73/239,397.26 - Step 6: Final answer
x = 182,117.26
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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.