Finding the Fourth Proportional to 239,663.58, 330,855.60 and 149,048.74
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Solution
The fourth proportional to 239,663.58, 330,855.60 and 149,048.74 is: 205,761.80
Step by Step Solution
- Step 1: Write the proportion equation
239,663.58 : 330,855.60 = 149,048.74 : x - Step 2: Convert to fraction form
239,663.58/330,855.60 = 149,048.74/x - Step 3: Cross multiply
239,663.58x = 330,855.60 × 149,048.74 - Step 4: Simplify right side
239,663.58x = 49,313,610,016.85 - Step 5: Solve for x
x = 49,313,610,016.85/239,663.58 - Step 6: Final answer
x = 205,761.80
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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.