Finding the Fourth Proportional to 341,462.44, 512,249.10 and 128,246.80
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Solution
The fourth proportional to 341,462.44, 512,249.10 and 128,246.80 is: 192,391.02
Step by Step Solution
- Step 1: Write the proportion equation
341,462.44 : 512,249.10 = 128,246.80 : x - Step 2: Convert to fraction form
341,462.44/512,249.10 = 128,246.80/x - Step 3: Cross multiply
341,462.44x = 512,249.10 × 128,246.80 - Step 4: Simplify right side
341,462.44x = 65,694,307,877.88 - Step 5: Solve for x
x = 65,694,307,877.88/341,462.44 - Step 6: Final answer
x = 192,391.02
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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.