Finding the Fourth Proportional to 354,169.96, 488,740.08 and 193,021.54
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Solution
The fourth proportional to 354,169.96, 488,740.08 and 193,021.54 is: 266,361.84
Step by Step Solution
- Step 1: Write the proportion equation
354,169.96 : 488,740.08 = 193,021.54 : x - Step 2: Convert to fraction form
354,169.96/488,740.08 = 193,021.54/x - Step 3: Cross multiply
354,169.96x = 488,740.08 × 193,021.54 - Step 4: Simplify right side
354,169.96x = 94,337,362,901.32 - Step 5: Solve for x
x = 94,337,362,901.32/354,169.96 - Step 6: Final answer
x = 266,361.84
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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.