Finding the Fourth Proportional to 415,707.70, 623,745.15 and 202,357.30
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Solution
The fourth proportional to 415,707.70, 623,745.15 and 202,357.30 is: 303,625.32
Step by Step Solution
- Step 1: Write the proportion equation
415,707.70 : 623,745.15 = 202,357.30 : x - Step 2: Convert to fraction form
415,707.70/623,745.15 = 202,357.30/x - Step 3: Cross multiply
415,707.70x = 623,745.15 × 202,357.30 - Step 4: Simplify right side
415,707.70x = 126,219,384,442.10 - Step 5: Solve for x
x = 126,219,384,442.10/415,707.70 - Step 6: Final answer
x = 303,625.32
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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.