Finding the Fourth Proportional to 813,182.97, 1,219,834.37 and 214,139.98
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Solution
The fourth proportional to 813,182.97, 1,219,834.37 and 214,139.98 is: 321,225.75
Step by Step Solution
- Step 1: Write the proportion equation
813,182.97 : 1,219,834.37 = 214,139.98 : x - Step 2: Convert to fraction form
813,182.97/1,219,834.37 = 214,139.98/x - Step 3: Cross multiply
813,182.97x = 1,219,834.37 × 214,139.98 - Step 4: Simplify right side
813,182.97x = 261,215,307,595.11 - Step 5: Solve for x
x = 261,215,307,595.11/813,182.97 - Step 6: Final answer
x = 321,225.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.