Finding the Fourth Proportional to 189,172.08, 261,059.49 and 104,292.18
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Solution
The fourth proportional to 189,172.08, 261,059.49 and 104,292.18 is: 143,924.32
Step by Step Solution
- Step 1: Write the proportion equation
189,172.08 : 261,059.49 = 104,292.18 : x - Step 2: Convert to fraction form
189,172.08/261,059.49 = 104,292.18/x - Step 3: Cross multiply
189,172.08x = 261,059.49 × 104,292.18 - Step 4: Simplify right side
189,172.08x = 27,226,463,321.79 - Step 5: Solve for x
x = 27,226,463,321.79/189,172.08 - Step 6: Final answer
x = 143,924.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.