Finding the Fourth Proportional to 368,913.21, 509,093.35 and 201,083.68
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Solution
The fourth proportional to 368,913.21, 509,093.35 and 201,083.68 is: 277,491.72
Step by Step Solution
- Step 1: Write the proportion equation
368,913.21 : 509,093.35 = 201,083.68 : x - Step 2: Convert to fraction form
368,913.21/509,093.35 = 201,083.68/x - Step 3: Cross multiply
368,913.21x = 509,093.35 × 201,083.68 - Step 4: Simplify right side
368,913.21x = 102,370,361,736.06 - Step 5: Solve for x
x = 102,370,361,736.06/368,913.21 - Step 6: Final answer
x = 277,491.72
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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.