Finding the Fourth Proportional to 361,163.95, 498,422.41 and 197,831.95
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Solution
The fourth proportional to 361,163.95, 498,422.41 and 197,831.95 is: 273,016.94
Step by Step Solution
- Step 1: Write the proportion equation
361,163.95 : 498,422.41 = 197,831.95 : x - Step 2: Convert to fraction form
361,163.95/498,422.41 = 197,831.95/x - Step 3: Cross multiply
361,163.95x = 498,422.41 × 197,831.95 - Step 4: Simplify right side
361,163.95x = 98,603,875,553.36 - Step 5: Solve for x
x = 98,603,875,553.36/361,163.95 - Step 6: Final answer
x = 273,016.94
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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.