Finding the Fourth Proportional to 261,934.99, 361,558.79 and 170,179.81
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Solution
The fourth proportional to 261,934.99, 361,558.79 and 170,179.81 is: 234,905.64
Step by Step Solution
- Step 1: Write the proportion equation
261,934.99 : 361,558.79 = 170,179.81 : x - Step 2: Convert to fraction form
261,934.99/361,558.79 = 170,179.81/x - Step 3: Cross multiply
261,934.99x = 361,558.79 × 170,179.81 - Step 4: Simplify right side
261,934.99x = 61,530,005,335.13 - Step 5: Solve for x
x = 61,530,005,335.13/261,934.99 - Step 6: Final answer
x = 234,905.64
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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.