Finding the Fourth Proportional to 239,623.26, 330,679.16 and 132,199.98
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Solution
The fourth proportional to 239,623.26, 330,679.16 and 132,199.98 is: 182,435.45
Step by Step Solution
- Step 1: Write the proportion equation
239,623.26 : 330,679.16 = 132,199.98 : x - Step 2: Convert to fraction form
239,623.26/330,679.16 = 132,199.98/x - Step 3: Cross multiply
239,623.26x = 330,679.16 × 132,199.98 - Step 4: Simplify right side
239,623.26x = 43,715,778,338.42 - Step 5: Solve for x
x = 43,715,778,338.42/239,623.26 - Step 6: Final answer
x = 182,435.45
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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.