Finding the Fourth Proportional to 808,161.24, 1,212,247.96 and 358,761.32
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Solution
The fourth proportional to 808,161.24, 1,212,247.96 and 358,761.32 is: 538,144.69
Step by Step Solution
- Step 1: Write the proportion equation
808,161.24 : 1,212,247.96 = 358,761.32 : x - Step 2: Convert to fraction form
808,161.24/1,212,247.96 = 358,761.32/x - Step 3: Cross multiply
808,161.24x = 1,212,247.96 × 358,761.32 - Step 4: Simplify right side
808,161.24x = 434,907,678,296.91 - Step 5: Solve for x
x = 434,907,678,296.91/808,161.24 - Step 6: Final answer
x = 538,144.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.