Finding the Fourth Proportional to 189,224.94, 261,124.83 and 104,341.98
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Solution
The fourth proportional to 189,224.94, 261,124.83 and 104,341.98 is: 143,988.85
Step by Step Solution
- Step 1: Write the proportion equation
189,224.94 : 261,124.83 = 104,341.98 : x - Step 2: Convert to fraction form
189,224.94/261,124.83 = 104,341.98/x - Step 3: Cross multiply
189,224.94x = 261,124.83 × 104,341.98 - Step 4: Simplify right side
189,224.94x = 27,246,281,789.36 - Step 5: Solve for x
x = 27,246,281,789.36/189,224.94 - Step 6: Final answer
x = 143,988.85
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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.