Finding the Fourth Proportional to 193,446.72, 266,964.80 and 107,405.70
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Solution
The fourth proportional to 193,446.72, 266,964.80 and 107,405.70 is: 148,224.49
Step by Step Solution
- Step 1: Write the proportion equation
193,446.72 : 266,964.80 = 107,405.70 : x - Step 2: Convert to fraction form
193,446.72/266,964.80 = 107,405.70/x - Step 3: Cross multiply
193,446.72x = 266,964.80 × 107,405.70 - Step 4: Simplify right side
193,446.72x = 28,673,541,219.36 - Step 5: Solve for x
x = 28,673,541,219.36/193,446.72 - Step 6: Final answer
x = 148,224.49
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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.