Finding the Fourth Proportional to 357,425.87, 493,260.84 and 196,295.81
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Solution
The fourth proportional to 357,425.87, 493,260.84 and 196,295.81 is: 270,895.43
Step by Step Solution
- Step 1: Write the proportion equation
357,425.87 : 493,260.84 = 196,295.81 : x - Step 2: Convert to fraction form
357,425.87/493,260.84 = 196,295.81/x - Step 3: Cross multiply
357,425.87x = 493,260.84 × 196,295.81 - Step 4: Simplify right side
357,425.87x = 96,825,033,662.78 - Step 5: Solve for x
x = 96,825,033,662.78/357,425.87 - Step 6: Final answer
x = 270,895.43
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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.