Finding the Fourth Proportional to 189,164.21, 261,048.36 and 104,284.31
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Solution
The fourth proportional to 189,164.21, 261,048.36 and 104,284.31 is: 143,913.31
Step by Step Solution
- Step 1: Write the proportion equation
189,164.21 : 261,048.36 = 104,284.31 : x - Step 2: Convert to fraction form
189,164.21/261,048.36 = 104,284.31/x - Step 3: Cross multiply
189,164.21x = 261,048.36 × 104,284.31 - Step 4: Simplify right side
189,164.21x = 27,223,246,793.99 - Step 5: Solve for x
x = 27,223,246,793.99/189,164.21 - Step 6: Final answer
x = 143,913.31
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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.