Finding the Fourth Proportional to 193,251.42, 266,689.26 and 107,212.01
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Solution
The fourth proportional to 193,251.42, 266,689.26 and 107,212.01 is: 147,953.84
Step by Step Solution
- Step 1: Write the proportion equation
193,251.42 : 266,689.26 = 107,212.01 : x - Step 2: Convert to fraction form
193,251.42/266,689.26 = 107,212.01/x - Step 3: Cross multiply
193,251.42x = 266,689.26 × 107,212.01 - Step 4: Simplify right side
193,251.42x = 28,592,290,276.57 - Step 5: Solve for x
x = 28,592,290,276.57/193,251.42 - Step 6: Final answer
x = 147,953.84
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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.