Finding the Fourth Proportional to 341,771.20, 512,656.80 and 201,803.20
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Solution
The fourth proportional to 341,771.20, 512,656.80 and 201,803.20 is: 302,704.80
Step by Step Solution
- Step 1: Write the proportion equation
341,771.20 : 512,656.80 = 201,803.20 : x - Step 2: Convert to fraction form
341,771.20/512,656.80 = 201,803.20/x - Step 3: Cross multiply
341,771.20x = 512,656.80 × 201,803.20 - Step 4: Simplify right side
341,771.20x = 103,455,782,741.76 - Step 5: Solve for x
x = 103,455,782,741.76/341,771.20 - Step 6: Final answer
x = 302,704.80
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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.