Finding the Fourth Proportional to 205,311.70, 307,708.35 and 181,983.70
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Solution
The fourth proportional to 205,311.70, 307,708.35 and 181,983.70 is: 272,745.80
Step by Step Solution
- Step 1: Write the proportion equation
205,311.70 : 307,708.35 = 181,983.70 : x - Step 2: Convert to fraction form
205,311.70/307,708.35 = 181,983.70/x - Step 3: Cross multiply
205,311.70x = 307,708.35 × 181,983.70 - Step 4: Simplify right side
205,311.70x = 55,997,904,053.90 - Step 5: Solve for x
x = 55,997,904,053.90/205,311.70 - Step 6: Final answer
x = 272,745.80
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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.