Finding the Fourth Proportional to 483,249.56, 666,845.36 and 279,313.68
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Solution
The fourth proportional to 483,249.56, 666,845.36 and 279,313.68 is: 385,430.32
Step by Step Solution
- Step 1: Write the proportion equation
483,249.56 : 666,845.36 = 279,313.68 : x - Step 2: Convert to fraction form
483,249.56/666,845.36 = 279,313.68/x - Step 3: Cross multiply
483,249.56x = 666,845.36 × 279,313.68 - Step 4: Simplify right side
483,249.56x = 186,259,033,644.05 - Step 5: Solve for x
x = 186,259,033,644.05/483,249.56 - Step 6: Final answer
x = 385,430.32
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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.