Finding the Fourth Proportional to 189,035.12, 283,608.12 and 55,918.88
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Solution
The fourth proportional to 189,035.12, 283,608.12 and 55,918.88 is: 83,894.72
Step by Step Solution
- Step 1: Write the proportion equation
189,035.12 : 283,608.12 = 55,918.88 : x - Step 2: Convert to fraction form
189,035.12/283,608.12 = 55,918.88/x - Step 3: Cross multiply
189,035.12x = 283,608.12 × 55,918.88 - Step 4: Simplify right side
189,035.12x = 15,859,048,429.31 - Step 5: Solve for x
x = 15,859,048,429.31/189,035.12 - Step 6: Final answer
x = 83,894.72
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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.