Finding the Fourth Proportional to 397,183.79, 595,779.84 and 157,356.06
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Solution
The fourth proportional to 397,183.79, 595,779.84 and 157,356.06 is: 236,035.73
Step by Step Solution
- Step 1: Write the proportion equation
397,183.79 : 595,779.84 = 157,356.06 : x - Step 2: Convert to fraction form
397,183.79/595,779.84 = 157,356.06/x - Step 3: Cross multiply
397,183.79x = 595,779.84 × 157,356.06 - Step 4: Simplify right side
397,183.79x = 93,749,568,249.83 - Step 5: Solve for x
x = 93,749,568,249.83/397,183.79 - Step 6: Final answer
x = 236,035.73
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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.