Finding the Fourth Proportional to 247,135.30, 341,067.87 and 139,724.44
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Solution
The fourth proportional to 247,135.30, 341,067.87 and 139,724.44 is: 192,831.69
Step by Step Solution
- Step 1: Write the proportion equation
247,135.30 : 341,067.87 = 139,724.44 : x - Step 2: Convert to fraction form
247,135.30/341,067.87 = 139,724.44/x - Step 3: Cross multiply
247,135.30x = 341,067.87 × 139,724.44 - Step 4: Simplify right side
247,135.30x = 47,655,517,137.74 - Step 5: Solve for x
x = 47,655,517,137.74/247,135.30 - Step 6: Final answer
x = 192,831.69
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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.