Finding the Fourth Proportional to 239,253.98, 358,880.99 and 70,761.20
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Solution
The fourth proportional to 239,253.98, 358,880.99 and 70,761.20 is: 106,141.80
Step by Step Solution
- Step 1: Write the proportion equation
239,253.98 : 358,880.99 = 70,761.20 : x - Step 2: Convert to fraction form
239,253.98/358,880.99 = 70,761.20/x - Step 3: Cross multiply
239,253.98x = 358,880.99 × 70,761.20 - Step 4: Simplify right side
239,253.98x = 25,394,847,361.38 - Step 5: Solve for x
x = 25,394,847,361.38/239,253.98 - Step 6: Final answer
x = 106,141.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.