Finding the Fourth Proportional to 97,544.12, 146,321.28 and 30,989.48
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Solution
The fourth proportional to 97,544.12, 146,321.28 and 30,989.48 is: 46,485.84
Step by Step Solution
- Step 1: Write the proportion equation
97,544.12 : 146,321.28 = 30,989.48 : x - Step 2: Convert to fraction form
97,544.12/146,321.28 = 30,989.48/x - Step 3: Cross multiply
97,544.12x = 146,321.28 × 30,989.48 - Step 4: Simplify right side
97,544.12x = 4,534,420,380.13 - Step 5: Solve for x
x = 4,534,420,380.13/97,544.12 - Step 6: Final answer
x = 46,485.84
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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.