Finding the Fourth Proportional to 294,006.14, 405,679.29 and 173,171.49
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Solution
The fourth proportional to 294,006.14, 405,679.29 and 173,171.49 is: 238,947.69
Step by Step Solution
- Step 1: Write the proportion equation
294,006.14 : 405,679.29 = 173,171.49 : x - Step 2: Convert to fraction form
294,006.14/405,679.29 = 173,171.49/x - Step 3: Cross multiply
294,006.14x = 405,679.29 × 173,171.49 - Step 4: Simplify right side
294,006.14x = 70,252,087,111.44 - Step 5: Solve for x
x = 70,252,087,111.44/294,006.14 - Step 6: Final answer
x = 238,947.69
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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.