Finding the Fourth Proportional to 351,801.21, 485,537.78 and 222,751.68
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Solution
The fourth proportional to 351,801.21, 485,537.78 and 222,751.68 is: 307,430.31
Step by Step Solution
- Step 1: Write the proportion equation
351,801.21 : 485,537.78 = 222,751.68 : x - Step 2: Convert to fraction form
351,801.21/485,537.78 = 222,751.68/x - Step 3: Cross multiply
351,801.21x = 485,537.78 × 222,751.68 - Step 4: Simplify right side
351,801.21x = 108,154,357,665.73 - Step 5: Solve for x
x = 108,154,357,665.73/351,801.21 - Step 6: Final answer
x = 307,430.31
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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.