Finding the Fourth Proportional to 191,985.84, 264,939.66 and 107,102.97
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Solution
The fourth proportional to 191,985.84, 264,939.66 and 107,102.97 is: 147,801.65
Step by Step Solution
- Step 1: Write the proportion equation
191,985.84 : 264,939.66 = 107,102.97 : x - Step 2: Convert to fraction form
191,985.84/264,939.66 = 107,102.97/x - Step 3: Cross multiply
191,985.84x = 264,939.66 × 107,102.97 - Step 4: Simplify right side
191,985.84x = 28,375,824,456.79 - Step 5: Solve for x
x = 28,375,824,456.79/191,985.84 - Step 6: Final answer
x = 147,801.65
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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.