Finding the Fourth Proportional to 383,216.62, 528,813.64 and 230,163.87
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Solution
The fourth proportional to 383,216.62, 528,813.64 and 230,163.87 is: 317,610.94
Step by Step Solution
- Step 1: Write the proportion equation
383,216.62 : 528,813.64 = 230,163.87 : x - Step 2: Convert to fraction form
383,216.62/528,813.64 = 230,163.87/x - Step 3: Cross multiply
383,216.62x = 528,813.64 × 230,163.87 - Step 4: Simplify right side
383,216.62x = 121,713,793,315.78 - Step 5: Solve for x
x = 121,713,793,315.78/383,216.62 - Step 6: Final answer
x = 317,610.94
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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.