Finding the Fourth Proportional to 307,150.41, 424,083.69 and 215,464.62
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Solution
The fourth proportional to 307,150.41, 424,083.69 and 215,464.62 is: 297,492.79
Step by Step Solution
- Step 1: Write the proportion equation
307,150.41 : 424,083.69 = 215,464.62 : x - Step 2: Convert to fraction form
307,150.41/424,083.69 = 215,464.62/x - Step 3: Cross multiply
307,150.41x = 424,083.69 × 215,464.62 - Step 4: Simplify right side
307,150.41x = 91,375,031,114.05 - Step 5: Solve for x
x = 91,375,031,114.05/307,150.41 - Step 6: Final answer
x = 297,492.79
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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.