Finding the Fourth Proportional to 244,542.80, 366,814.20 and 86,787.20
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Solution
The fourth proportional to 244,542.80, 366,814.20 and 86,787.20 is: 130,180.80
Step by Step Solution
- Step 1: Write the proportion equation
244,542.80 : 366,814.20 = 86,787.20 : x - Step 2: Convert to fraction form
244,542.80/366,814.20 = 86,787.20/x - Step 3: Cross multiply
244,542.80x = 366,814.20 × 86,787.20 - Step 4: Simplify right side
244,542.80x = 31,834,777,338.24 - Step 5: Solve for x
x = 31,834,777,338.24/244,542.80 - Step 6: Final answer
x = 130,180.80
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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.