Finding the Fourth Proportional to 239,502.24, 330,505.47 and 132,076.80
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Solution
The fourth proportional to 239,502.24, 330,505.47 and 132,076.80 is: 182,261.78
Step by Step Solution
- Step 1: Write the proportion equation
239,502.24 : 330,505.47 = 132,076.80 : x - Step 2: Convert to fraction form
239,502.24/330,505.47 = 132,076.80/x - Step 3: Cross multiply
239,502.24x = 330,505.47 × 132,076.80 - Step 4: Simplify right side
239,502.24x = 43,652,104,860.10 - Step 5: Solve for x
x = 43,652,104,860.10/239,502.24 - Step 6: Final answer
x = 182,261.78
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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.