Finding the Fourth Proportional to 738,395.92, 1,107,577.96 and 205,902.76
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Solution
The fourth proportional to 738,395.92, 1,107,577.96 and 205,902.76 is: 308,849.70
Step by Step Solution
- Step 1: Write the proportion equation
738,395.92 : 1,107,577.96 = 205,902.76 : x - Step 2: Convert to fraction form
738,395.92/1,107,577.96 = 205,902.76/x - Step 3: Cross multiply
738,395.92x = 1,107,577.96 × 205,902.76 - Step 4: Simplify right side
738,395.92x = 228,053,358,879.17 - Step 5: Solve for x
x = 228,053,358,879.17/738,395.92 - Step 6: Final answer
x = 308,849.70
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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.