Finding the Fourth Proportional to 354,137.31, 488,697.06 and 192,989.07
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Solution
The fourth proportional to 354,137.31, 488,697.06 and 192,989.07 is: 266,318.14
Step by Step Solution
- Step 1: Write the proportion equation
354,137.31 : 488,697.06 = 192,989.07 : x - Step 2: Convert to fraction form
354,137.31/488,697.06 = 192,989.07/x - Step 3: Cross multiply
354,137.31x = 488,697.06 × 192,989.07 - Step 4: Simplify right side
354,137.31x = 94,313,191,121.13 - Step 5: Solve for x
x = 94,313,191,121.13/354,137.31 - Step 6: Final answer
x = 266,318.14
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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.