Finding the Fourth Proportional to 412,138.95, 568,745.04 and 230,850.42
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Solution
The fourth proportional to 412,138.95, 568,745.04 and 230,850.42 is: 318,569.82
Step by Step Solution
- Step 1: Write the proportion equation
412,138.95 : 568,745.04 = 230,850.42 : x - Step 2: Convert to fraction form
412,138.95/568,745.04 = 230,850.42/x - Step 3: Cross multiply
412,138.95x = 568,745.04 × 230,850.42 - Step 4: Simplify right side
412,138.95x = 131,295,031,356.92 - Step 5: Solve for x
x = 131,295,031,356.92/412,138.95 - Step 6: Final answer
x = 318,569.82
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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.