Finding the Fourth Proportional to 354,340.36, 488,993.52 and 193,194.10
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Solution
The fourth proportional to 354,340.36, 488,993.52 and 193,194.10 is: 266,609.94
Step by Step Solution
- Step 1: Write the proportion equation
354,340.36 : 488,993.52 = 193,194.10 : x - Step 2: Convert to fraction form
354,340.36/488,993.52 = 193,194.10/x - Step 3: Cross multiply
354,340.36x = 488,993.52 × 193,194.10 - Step 4: Simplify right side
354,340.36x = 94,470,663,002.23 - Step 5: Solve for x
x = 94,470,663,002.23/354,340.36 - Step 6: Final answer
x = 266,609.94
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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.