Finding the Fourth Proportional to 239,726.36, 330,821.69 and 132,295.62
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Solution
The fourth proportional to 239,726.36, 330,821.69 and 132,295.62 is: 182,567.58
Step by Step Solution
- Step 1: Write the proportion equation
239,726.36 : 330,821.69 = 132,295.62 : x - Step 2: Convert to fraction form
239,726.36/330,821.69 = 132,295.62/x - Step 3: Cross multiply
239,726.36x = 330,821.69 × 132,295.62 - Step 4: Simplify right side
239,726.36x = 43,766,260,588.00 - Step 5: Solve for x
x = 43,766,260,588.00/239,726.36 - Step 6: Final answer
x = 182,567.58
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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.