Finding the Fourth Proportional to 239,663.49, 330,855.47 and 149,048.65
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Solution
The fourth proportional to 239,663.49, 330,855.47 and 149,048.65 is: 205,761.67
Step by Step Solution
- Step 1: Write the proportion equation
239,663.49 : 330,855.47 = 149,048.65 : x - Step 2: Convert to fraction form
239,663.49/330,855.47 = 149,048.65/x - Step 3: Cross multiply
239,663.49x = 330,855.47 × 149,048.65 - Step 4: Simplify right side
239,663.49x = 49,313,559,576.23 - Step 5: Solve for x
x = 49,313,559,576.23/239,663.49 - Step 6: Final answer
x = 205,761.67
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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.