Finding the Fourth Proportional to 848,149.16, 1,272,285.50 and 315,670.01
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Solution
The fourth proportional to 848,149.16, 1,272,285.50 and 315,670.01 is: 473,527.99
Step by Step Solution
- Step 1: Write the proportion equation
848,149.16 : 1,272,285.50 = 315,670.01 : x - Step 2: Convert to fraction form
848,149.16/1,272,285.50 = 315,670.01/x - Step 3: Cross multiply
848,149.16x = 1,272,285.50 × 315,670.01 - Step 4: Simplify right side
848,149.16x = 401,622,368,568.08 - Step 5: Solve for x
x = 401,622,368,568.08/848,149.16 - Step 6: Final answer
x = 473,527.99
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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.