Finding the Fourth Proportional to 239,777.04, 330,871.37 and 153,583.97
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Solution
The fourth proportional to 239,777.04, 330,871.37 and 153,583.97 is: 211,932.45
Step by Step Solution
- Step 1: Write the proportion equation
239,777.04 : 330,871.37 = 153,583.97 : x - Step 2: Convert to fraction form
239,777.04/330,871.37 = 153,583.97/x - Step 3: Cross multiply
239,777.04x = 330,871.37 × 153,583.97 - Step 4: Simplify right side
239,777.04x = 50,816,536,141.66 - Step 5: Solve for x
x = 50,816,536,141.66/239,777.04 - Step 6: Final answer
x = 211,932.45
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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.