Finding the Fourth Proportional to 286,440.44, 429,660.84 and 108,906.44
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Solution
The fourth proportional to 286,440.44, 429,660.84 and 108,906.44 is: 163,359.73
Step by Step Solution
- Step 1: Write the proportion equation
286,440.44 : 429,660.84 = 108,906.44 : x - Step 2: Convert to fraction form
286,440.44/429,660.84 = 108,906.44/x - Step 3: Cross multiply
286,440.44x = 429,660.84 × 108,906.44 - Step 4: Simplify right side
286,440.44x = 46,792,832,491.81 - Step 5: Solve for x
x = 46,792,832,491.81/286,440.44 - Step 6: Final answer
x = 163,359.73
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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.