Finding the Fourth Proportional to 407,135.70, 610,703.55 and 197,183.70
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Solution
The fourth proportional to 407,135.70, 610,703.55 and 197,183.70 is: 295,775.55
Step by Step Solution
- Step 1: Write the proportion equation
407,135.70 : 610,703.55 = 197,183.70 : x - Step 2: Convert to fraction form
407,135.70/610,703.55 = 197,183.70/x - Step 3: Cross multiply
407,135.70x = 610,703.55 × 197,183.70 - Step 4: Simplify right side
407,135.70x = 120,420,785,592.14 - Step 5: Solve for x
x = 120,420,785,592.14/407,135.70 - Step 6: Final answer
x = 295,775.55
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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.