Finding the Fourth Proportional to 189,203.08, 261,102.30 and 104,323.18
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Solution
The fourth proportional to 189,203.08, 261,102.30 and 104,323.18 is: 143,967.12
Step by Step Solution
- Step 1: Write the proportion equation
189,203.08 : 261,102.30 = 104,323.18 : x - Step 2: Convert to fraction form
189,203.08/261,102.30 = 104,323.18/x - Step 3: Cross multiply
189,203.08x = 261,102.30 × 104,323.18 - Step 4: Simplify right side
189,203.08x = 27,239,022,241.31 - Step 5: Solve for x
x = 27,239,022,241.31/189,203.08 - Step 6: Final answer
x = 143,967.12
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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.