Finding the Fourth Proportional to 410,616.36, 616,201.56 and 144,378.36
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Solution
The fourth proportional to 410,616.36, 616,201.56 and 144,378.36 is: 216,664.94
Step by Step Solution
- Step 1: Write the proportion equation
410,616.36 : 616,201.56 = 144,378.36 : x - Step 2: Convert to fraction form
410,616.36/616,201.56 = 144,378.36/x - Step 3: Cross multiply
410,616.36x = 616,201.56 × 144,378.36 - Step 4: Simplify right side
410,616.36x = 88,966,170,662.24 - Step 5: Solve for x
x = 88,966,170,662.24/410,616.36 - Step 6: Final answer
x = 216,664.94
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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.