Finding the Fourth Proportional to 381,850.51, 526,954.05 and 209,779.62
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Solution
The fourth proportional to 381,850.51, 526,954.05 and 209,779.62 is: 289,496.07
Step by Step Solution
- Step 1: Write the proportion equation
381,850.51 : 526,954.05 = 209,779.62 : x - Step 2: Convert to fraction form
381,850.51/526,954.05 = 209,779.62/x - Step 3: Cross multiply
381,850.51x = 526,954.05 × 209,779.62 - Step 4: Simplify right side
381,850.51x = 110,544,222,404.96 - Step 5: Solve for x
x = 110,544,222,404.96/381,850.51 - Step 6: Final answer
x = 289,496.07
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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.