Finding the Fourth Proportional to 97,430.56, 146,163.60 and 30,887.44
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Solution
The fourth proportional to 97,430.56, 146,163.60 and 30,887.44 is: 46,336.79
Step by Step Solution
- Step 1: Write the proportion equation
97,430.56 : 146,163.60 = 30,887.44 : x - Step 2: Convert to fraction form
97,430.56/146,163.60 = 30,887.44/x - Step 3: Cross multiply
97,430.56x = 146,163.60 × 30,887.44 - Step 4: Simplify right side
97,430.56x = 4,514,619,425.18 - Step 5: Solve for x
x = 4,514,619,425.18/97,430.56 - Step 6: Final answer
x = 46,336.79
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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.