Finding the Fourth Proportional to 239,326.26, 330,266.28 and 137,347.54
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Solution
The fourth proportional to 239,326.26, 330,266.28 and 137,347.54 is: 189,537.33
Step by Step Solution
- Step 1: Write the proportion equation
239,326.26 : 330,266.28 = 137,347.54 : x - Step 2: Convert to fraction form
239,326.26/330,266.28 = 137,347.54/x - Step 3: Cross multiply
239,326.26x = 330,266.28 × 137,347.54 - Step 4: Simplify right side
239,326.26x = 45,361,261,102.95 - Step 5: Solve for x
x = 45,361,261,102.95/239,326.26 - Step 6: Final answer
x = 189,537.33
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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.