Finding the Fourth Proportional to 492,497.39, 738,806.57 and 168,339.09
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Solution
The fourth proportional to 492,497.39, 738,806.57 and 168,339.09 is: 252,529.31
Step by Step Solution
- Step 1: Write the proportion equation
492,497.39 : 738,806.57 = 168,339.09 : x - Step 2: Convert to fraction form
492,497.39/738,806.57 = 168,339.09/x - Step 3: Cross multiply
492,497.39x = 738,806.57 × 168,339.09 - Step 4: Simplify right side
492,497.39x = 124,370,024,838.13 - Step 5: Solve for x
x = 124,370,024,838.13/492,497.39 - Step 6: Final answer
x = 252,529.31
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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.