Finding the Fourth Proportional to 239,784.21, 330,902.24 and 132,354.28
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Solution
The fourth proportional to 239,784.21, 330,902.24 and 132,354.28 is: 182,648.92
Step by Step Solution
- Step 1: Write the proportion equation
239,784.21 : 330,902.24 = 132,354.28 : x - Step 2: Convert to fraction form
239,784.21/330,902.24 = 132,354.28/x - Step 3: Cross multiply
239,784.21x = 330,902.24 × 132,354.28 - Step 4: Simplify right side
239,784.21x = 43,796,327,725.59 - Step 5: Solve for x
x = 43,796,327,725.59/239,784.21 - Step 6: Final answer
x = 182,648.92
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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.