Finding the Fourth Proportional to 381,395.96, 526,324.74 and 211,629.68
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Solution
The fourth proportional to 381,395.96, 526,324.74 and 211,629.68 is: 292,048.02
Step by Step Solution
- Step 1: Write the proportion equation
381,395.96 : 526,324.74 = 211,629.68 : x - Step 2: Convert to fraction form
381,395.96/526,324.74 = 211,629.68/x - Step 3: Cross multiply
381,395.96x = 526,324.74 × 211,629.68 - Step 4: Simplify right side
381,395.96x = 111,385,936,302.28 - Step 5: Solve for x
x = 111,385,936,302.28/381,395.96 - Step 6: Final answer
x = 292,048.02
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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.