Finding the Fourth Proportional to 239,679.29, 330,924.62 and 149,075.97
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Solution
The fourth proportional to 239,679.29, 330,924.62 and 149,075.97 is: 205,828.84
Step by Step Solution
- Step 1: Write the proportion equation
239,679.29 : 330,924.62 = 149,075.97 : x - Step 2: Convert to fraction form
239,679.29/330,924.62 = 149,075.97/x - Step 3: Cross multiply
239,679.29x = 330,924.62 × 149,075.97 - Step 4: Simplify right side
239,679.29x = 49,332,909,096.07 - Step 5: Solve for x
x = 49,332,909,096.07/239,679.29 - Step 6: Final answer
x = 205,828.84
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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.