Finding the Fourth Proportional to 255,483.05, 352,299.38 and 190,850.99
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Solution
The fourth proportional to 255,483.05, 352,299.38 and 190,850.99 is: 263,174.74
Step by Step Solution
- Step 1: Write the proportion equation
255,483.05 : 352,299.38 = 190,850.99 : x - Step 2: Convert to fraction form
255,483.05/352,299.38 = 190,850.99/x - Step 3: Cross multiply
255,483.05x = 352,299.38 × 190,850.99 - Step 4: Simplify right side
255,483.05x = 67,236,682,733.63 - Step 5: Solve for x
x = 67,236,682,733.63/255,483.05 - Step 6: Final answer
x = 263,174.74
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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.