Finding the Fourth Proportional to 239,786.90, 330,905.95 and 132,356.96
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Solution
The fourth proportional to 239,786.90, 330,905.95 and 132,356.96 is: 182,652.62
Step by Step Solution
- Step 1: Write the proportion equation
239,786.90 : 330,905.95 = 132,356.96 : x - Step 2: Convert to fraction form
239,786.90/330,905.95 = 132,356.96/x - Step 3: Cross multiply
239,786.90x = 330,905.95 × 132,356.96 - Step 4: Simplify right side
239,786.90x = 43,797,703,602.49 - Step 5: Solve for x
x = 43,797,703,602.49/239,786.90 - Step 6: Final answer
x = 182,652.62
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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.