Finding the Fourth Proportional to 142,911.36, 214,367.04 and 49,366.08
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Solution
The fourth proportional to 142,911.36, 214,367.04 and 49,366.08 is: 74,049.12
Step by Step Solution
- Step 1: Write the proportion equation
142,911.36 : 214,367.04 = 49,366.08 : x - Step 2: Convert to fraction form
142,911.36/214,367.04 = 49,366.08/x - Step 3: Cross multiply
142,911.36x = 214,367.04 × 49,366.08 - Step 4: Simplify right side
142,911.36x = 10,582,460,446.00 - Step 5: Solve for x
x = 10,582,460,446.00/142,911.36 - Step 6: Final answer
x = 74,049.12
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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.