Finding the Fourth Proportional to 97,183.13, 145,563.21 and 47,157.66
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Solution
The fourth proportional to 97,183.13, 145,563.21 and 47,157.66 is: 70,633.87
Step by Step Solution
- Step 1: Write the proportion equation
97,183.13 : 145,563.21 = 47,157.66 : x - Step 2: Convert to fraction form
97,183.13/145,563.21 = 47,157.66/x - Step 3: Cross multiply
97,183.13x = 145,563.21 × 47,157.66 - Step 4: Simplify right side
97,183.13x = 6,864,420,365.69 - Step 5: Solve for x
x = 6,864,420,365.69/97,183.13 - Step 6: Final answer
x = 70,633.87
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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.