Finding the Fourth Proportional to 381,196.26, 526,037.49 and 211,446.18
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Solution
The fourth proportional to 381,196.26, 526,037.49 and 211,446.18 is: 291,788.32
Step by Step Solution
- Step 1: Write the proportion equation
381,196.26 : 526,037.49 = 211,446.18 : x - Step 2: Convert to fraction form
381,196.26/526,037.49 = 211,446.18/x - Step 3: Cross multiply
381,196.26x = 526,037.49 × 211,446.18 - Step 4: Simplify right side
381,196.26x = 111,228,617,797.29 - Step 5: Solve for x
x = 111,228,617,797.29/381,196.26 - Step 6: Final answer
x = 291,788.32
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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.