Finding the Fourth Proportional to 394,089.88, 543,844.66 and 224,324.02
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Solution
The fourth proportional to 394,089.88, 543,844.66 and 224,324.02 is: 309,567.50
Step by Step Solution
- Step 1: Write the proportion equation
394,089.88 : 543,844.66 = 224,324.02 : x - Step 2: Convert to fraction form
394,089.88/543,844.66 = 224,324.02/x - Step 3: Cross multiply
394,089.88x = 543,844.66 × 224,324.02 - Step 4: Simplify right side
394,089.88x = 121,997,420,386.73 - Step 5: Solve for x
x = 121,997,420,386.73/394,089.88 - Step 6: Final answer
x = 309,567.50
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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.