Finding the Fourth Proportional to 354,461.53, 488,880.34 and 227,148.97
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Solution
The fourth proportional to 354,461.53, 488,880.34 and 227,148.97 is: 313,288.34
Step by Step Solution
- Step 1: Write the proportion equation
354,461.53 : 488,880.34 = 227,148.97 : x - Step 2: Convert to fraction form
354,461.53/488,880.34 = 227,148.97/x - Step 3: Cross multiply
354,461.53x = 488,880.34 × 227,148.97 - Step 4: Simplify right side
354,461.53x = 111,048,665,684.25 - Step 5: Solve for x
x = 111,048,665,684.25/354,461.53 - Step 6: Final answer
x = 313,288.34
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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.