Finding the Fourth Proportional to 354,238.05, 488,853.66 and 193,093.14
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Solution
The fourth proportional to 354,238.05, 488,853.66 and 193,093.14 is: 266,471.34
Step by Step Solution
- Step 1: Write the proportion equation
354,238.05 : 488,853.66 = 193,093.14 : x - Step 2: Convert to fraction form
354,238.05/488,853.66 = 193,093.14/x - Step 3: Cross multiply
354,238.05x = 488,853.66 × 193,093.14 - Step 4: Simplify right side
354,238.05x = 94,394,288,209.89 - Step 5: Solve for x
x = 94,394,288,209.89/354,238.05 - Step 6: Final answer
x = 266,471.34
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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.