Finding the Fourth Proportional to 512,647.20, 769,050.72 and 246,358.08
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Solution
The fourth proportional to 512,647.20, 769,050.72 and 246,358.08 is: 369,575.53
Step by Step Solution
- Step 1: Write the proportion equation
512,647.20 : 769,050.72 = 246,358.08 : x - Step 2: Convert to fraction form
512,647.20/769,050.72 = 246,358.08/x - Step 3: Cross multiply
512,647.20x = 769,050.72 × 246,358.08 - Step 4: Simplify right side
512,647.20x = 189,461,858,801.82 - Step 5: Solve for x
x = 189,461,858,801.82/512,647.20 - Step 6: Final answer
x = 369,575.53
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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.