Finding the Fourth Proportional to 189,732.99, 261,809.24 and 104,844.99
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Solution
The fourth proportional to 189,732.99, 261,809.24 and 104,844.99 is: 144,673.77
Step by Step Solution
- Step 1: Write the proportion equation
189,732.99 : 261,809.24 = 104,844.99 : x - Step 2: Convert to fraction form
189,732.99/261,809.24 = 104,844.99/x - Step 3: Cross multiply
189,732.99x = 261,809.24 × 104,844.99 - Step 4: Simplify right side
189,732.99x = 27,449,386,625.48 - Step 5: Solve for x
x = 27,449,386,625.48/189,732.99 - Step 6: Final answer
x = 144,673.77
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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.