Finding the Fourth Proportional to 239,729.71, 330,825.48 and 132,299.75
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Solution
The fourth proportional to 239,729.71, 330,825.48 and 132,299.75 is: 182,572.81
Step by Step Solution
- Step 1: Write the proportion equation
239,729.71 : 330,825.48 = 132,299.75 : x - Step 2: Convert to fraction form
239,729.71/330,825.48 = 132,299.75/x - Step 3: Cross multiply
239,729.71x = 330,825.48 × 132,299.75 - Step 4: Simplify right side
239,729.71x = 43,768,127,232.71 - Step 5: Solve for x
x = 43,768,127,232.71/239,729.71 - Step 6: Final answer
x = 182,572.81
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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.