Finding the Fourth Proportional to 393,685.74, 589,640.76 and 182,880.06
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Solution
The fourth proportional to 393,685.74, 589,640.76 and 182,880.06 is: 273,907.65
Step by Step Solution
- Step 1: Write the proportion equation
393,685.74 : 589,640.76 = 182,880.06 : x - Step 2: Convert to fraction form
393,685.74/589,640.76 = 182,880.06/x - Step 3: Cross multiply
393,685.74x = 589,640.76 × 182,880.06 - Step 4: Simplify right side
393,685.74x = 107,833,537,567.25 - Step 5: Solve for x
x = 107,833,537,567.25/393,685.74 - Step 6: Final answer
x = 273,907.65
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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.