Finding the Fourth Proportional to 354,168.09, 488,737.74 and 193,019.68
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Solution
The fourth proportional to 354,168.09, 488,737.74 and 193,019.68 is: 266,359.41
Step by Step Solution
- Step 1: Write the proportion equation
354,168.09 : 488,737.74 = 193,019.68 : x - Step 2: Convert to fraction form
354,168.09/488,737.74 = 193,019.68/x - Step 3: Cross multiply
354,168.09x = 488,737.74 × 193,019.68 - Step 4: Simplify right side
354,168.09x = 94,336,002,178.72 - Step 5: Solve for x
x = 94,336,002,178.72/354,168.09 - Step 6: Final answer
x = 266,359.41
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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.