Finding the Fourth Proportional to 239,784.74, 330,902.97 and 132,354.79
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Solution
The fourth proportional to 239,784.74, 330,902.97 and 132,354.79 is: 182,649.63
Step by Step Solution
- Step 1: Write the proportion equation
239,784.74 : 330,902.97 = 132,354.79 : x - Step 2: Convert to fraction form
239,784.74/330,902.97 = 132,354.79/x - Step 3: Cross multiply
239,784.74x = 330,902.97 × 132,354.79 - Step 4: Simplify right side
239,784.74x = 43,796,594,386.96 - Step 5: Solve for x
x = 43,796,594,386.96/239,784.74 - Step 6: Final answer
x = 182,649.63
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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.