Finding the Fourth Proportional to 381,195.96, 526,050.77 and 211,430.09
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Solution
The fourth proportional to 381,195.96, 526,050.77 and 211,430.09 is: 291,773.72
Step by Step Solution
- Step 1: Write the proportion equation
381,195.96 : 526,050.77 = 211,430.09 : x - Step 2: Convert to fraction form
381,195.96/526,050.77 = 211,430.09/x - Step 3: Cross multiply
381,195.96x = 526,050.77 × 211,430.09 - Step 4: Simplify right side
381,195.96x = 111,222,961,645.67 - Step 5: Solve for x
x = 111,222,961,645.67/381,195.96 - Step 6: Final answer
x = 291,773.72
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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.