Finding the Fourth Proportional to 354,043.88, 488,574.36 and 192,900.09
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Solution
The fourth proportional to 354,043.88, 488,574.36 and 192,900.09 is: 266,198.74
Step by Step Solution
- Step 1: Write the proportion equation
354,043.88 : 488,574.36 = 192,900.09 : x - Step 2: Convert to fraction form
354,043.88/488,574.36 = 192,900.09/x - Step 3: Cross multiply
354,043.88x = 488,574.36 × 192,900.09 - Step 4: Simplify right side
354,043.88x = 94,246,036,183.54 - Step 5: Solve for x
x = 94,246,036,183.54/354,043.88 - Step 6: Final answer
x = 266,198.74
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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.