Finding the Fourth Proportional to 144,470.72, 199,289.36 and 84,034.56
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Solution
The fourth proportional to 144,470.72, 199,289.36 and 84,034.56 is: 115,921.02
Step by Step Solution
- Step 1: Write the proportion equation
144,470.72 : 199,289.36 = 84,034.56 : x - Step 2: Convert to fraction form
144,470.72/199,289.36 = 84,034.56/x - Step 3: Cross multiply
144,470.72x = 199,289.36 × 84,034.56 - Step 4: Simplify right side
144,470.72x = 16,747,193,680.28 - Step 5: Solve for x
x = 16,747,193,680.28/144,470.72 - Step 6: Final answer
x = 115,921.02
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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.