Finding the Fourth Proportional to 861,455.63, 1,292,183.36 and 230,353.04
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Solution
The fourth proportional to 861,455.63, 1,292,183.36 and 230,353.04 is: 345,529.54
Step by Step Solution
- Step 1: Write the proportion equation
861,455.63 : 1,292,183.36 = 230,353.04 : x - Step 2: Convert to fraction form
861,455.63/1,292,183.36 = 230,353.04/x - Step 3: Cross multiply
861,455.63x = 1,292,183.36 × 230,353.04 - Step 4: Simplify right side
861,455.63x = 297,658,368,155.93 - Step 5: Solve for x
x = 297,658,368,155.93/861,455.63 - Step 6: Final answer
x = 345,529.54
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1.5x scale
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.