Finding the Fourth Proportional to 239,808.09, 330,937.47 and 132,375.81
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Solution
The fourth proportional to 239,808.09, 330,937.47 and 132,375.81 is: 182,679.89
Step by Step Solution
- Step 1: Write the proportion equation
239,808.09 : 330,937.47 = 132,375.81 : x - Step 2: Convert to fraction form
239,808.09/330,937.47 = 132,375.81/x - Step 3: Cross multiply
239,808.09x = 330,937.47 × 132,375.81 - Step 4: Simplify right side
239,808.09x = 43,808,115,650.60 - Step 5: Solve for x
x = 43,808,115,650.60/239,808.09 - Step 6: Final answer
x = 182,679.89
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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.