Finding the Fourth Proportional to 354,138.07, 488,708.91 and 192,993.08
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Solution
The fourth proportional to 354,138.07, 488,708.91 and 192,993.08 is: 266,329.56
Step by Step Solution
- Step 1: Write the proportion equation
354,138.07 : 488,708.91 = 192,993.08 : x - Step 2: Convert to fraction form
354,138.07/488,708.91 = 192,993.08/x - Step 3: Cross multiply
354,138.07x = 488,708.91 × 192,993.08 - Step 4: Simplify right side
354,138.07x = 94,317,437,764.34 - Step 5: Solve for x
x = 94,317,437,764.34/354,138.07 - Step 6: Final answer
x = 266,329.56
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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.