Finding the Fourth Proportional to 381,218.13, 526,098.24 and 211,452.26
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Solution
The fourth proportional to 381,218.13, 526,098.24 and 211,452.26 is: 291,813.66
Step by Step Solution
- Step 1: Write the proportion equation
381,218.13 : 526,098.24 = 211,452.26 : x - Step 2: Convert to fraction form
381,218.13/526,098.24 = 211,452.26/x - Step 3: Cross multiply
381,218.13x = 526,098.24 × 211,452.26 - Step 4: Simplify right side
381,218.13x = 111,244,659,199.53 - Step 5: Solve for x
x = 111,244,659,199.53/381,218.13 - Step 6: Final answer
x = 291,813.66
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1.5x scale
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.