Finding the Fourth Proportional to 198,209.02, 273,528.62 and 107,564.98
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Solution
The fourth proportional to 198,209.02, 273,528.62 and 107,564.98 is: 148,439.77
Step by Step Solution
- Step 1: Write the proportion equation
198,209.02 : 273,528.62 = 107,564.98 : x - Step 2: Convert to fraction form
198,209.02/273,528.62 = 107,564.98/x - Step 3: Cross multiply
198,209.02x = 273,528.62 × 107,564.98 - Step 4: Simplify right side
198,209.02x = 29,422,100,539.73 - Step 5: Solve for x
x = 29,422,100,539.73/198,209.02 - Step 6: Final answer
x = 148,439.77
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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.