Finding the Fourth Proportional to 228,936.87, 315,622.04 and 193,064.00
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Solution
The fourth proportional to 228,936.87, 315,622.04 and 193,064.00 is: 266,166.17
Step by Step Solution
- Step 1: Write the proportion equation
228,936.87 : 315,622.04 = 193,064.00 : x - Step 2: Convert to fraction form
228,936.87/315,622.04 = 193,064.00/x - Step 3: Cross multiply
228,936.87x = 315,622.04 × 193,064.00 - Step 4: Simplify right side
228,936.87x = 60,935,250,987.13 - Step 5: Solve for x
x = 60,935,250,987.13/228,936.87 - Step 6: Final answer
x = 266,166.17
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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.