Finding the Fourth Proportional to 178,603.79, 246,409.90 and 102,067.09
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Solution
The fourth proportional to 178,603.79, 246,409.90 and 102,067.09 is: 140,816.39
Step by Step Solution
- Step 1: Write the proportion equation
178,603.79 : 246,409.90 = 102,067.09 : x - Step 2: Convert to fraction form
178,603.79/246,409.90 = 102,067.09/x - Step 3: Cross multiply
178,603.79x = 246,409.90 × 102,067.09 - Step 4: Simplify right side
178,603.79x = 25,150,340,569.00 - Step 5: Solve for x
x = 25,150,340,569.00/178,603.79 - Step 6: Final answer
x = 140,816.39
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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.