Finding the Fourth Proportional to 189,293.32, 261,220.74 and 104,418.28
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Solution
The fourth proportional to 189,293.32, 261,220.74 and 104,418.28 is: 144,095.00
Step by Step Solution
- Step 1: Write the proportion equation
189,293.32 : 261,220.74 = 104,418.28 : x - Step 2: Convert to fraction form
189,293.32/261,220.74 = 104,418.28/x - Step 3: Cross multiply
189,293.32x = 261,220.74 × 104,418.28 - Step 4: Simplify right side
189,293.32x = 27,276,220,371.13 - Step 5: Solve for x
x = 27,276,220,371.13/189,293.32 - Step 6: Final answer
x = 144,095.00
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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.