Finding the Fourth Proportional to 285,603.08, 394,125.54 and 164,744.60
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Solution
The fourth proportional to 285,603.08, 394,125.54 and 164,744.60 is: 227,343.68
Step by Step Solution
- Step 1: Write the proportion equation
285,603.08 : 394,125.54 = 164,744.60 : x - Step 2: Convert to fraction form
285,603.08/394,125.54 = 164,744.60/x - Step 3: Cross multiply
285,603.08x = 394,125.54 × 164,744.60 - Step 4: Simplify right side
285,603.08x = 64,930,054,437.08 - Step 5: Solve for x
x = 64,930,054,437.08/285,603.08 - Step 6: Final answer
x = 227,343.68
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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.