Finding the Fourth Proportional to 193,005.99, 266,426.43 and 125,081.28
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Solution
The fourth proportional to 193,005.99, 266,426.43 and 125,081.28 is: 172,662.82
Step by Step Solution
- Step 1: Write the proportion equation
193,005.99 : 266,426.43 = 125,081.28 : x - Step 2: Convert to fraction form
193,005.99/266,426.43 = 125,081.28/x - Step 3: Cross multiply
193,005.99x = 266,426.43 × 125,081.28 - Step 4: Simplify right side
193,005.99x = 33,324,958,890.23 - Step 5: Solve for x
x = 33,324,958,890.23/193,005.99 - Step 6: Final answer
x = 172,662.82
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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.