Finding the Fourth Proportional to 193,452.71, 290,246.76 and 75,207.02
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Solution
The fourth proportional to 193,452.71, 290,246.76 and 75,207.02 is: 112,836.84
Step by Step Solution
- Step 1: Write the proportion equation
193,452.71 : 290,246.76 = 75,207.02 : x - Step 2: Convert to fraction form
193,452.71/290,246.76 = 75,207.02/x - Step 3: Cross multiply
193,452.71x = 290,246.76 × 75,207.02 - Step 4: Simplify right side
193,452.71x = 21,828,592,433.02 - Step 5: Solve for x
x = 21,828,592,433.02/193,452.71 - Step 6: Final answer
x = 112,836.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.