Finding the Fourth Proportional to 193,382.06, 266,863.05 and 107,335.98
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Solution
The fourth proportional to 193,382.06, 266,863.05 and 107,335.98 is: 148,121.33
Step by Step Solution
- Step 1: Write the proportion equation
193,382.06 : 266,863.05 = 107,335.98 : x - Step 2: Convert to fraction form
193,382.06/266,863.05 = 107,335.98/x - Step 3: Cross multiply
193,382.06x = 266,863.05 × 107,335.98 - Step 4: Simplify right side
193,382.06x = 28,644,006,997.54 - Step 5: Solve for x
x = 28,644,006,997.54/193,382.06 - Step 6: Final answer
x = 148,121.33
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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.