Finding the Fourth Proportional to 313,846.02, 433,107.45 and 170,605.62
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Solution
The fourth proportional to 313,846.02, 433,107.45 and 170,605.62 is: 235,435.72
Step by Step Solution
- Step 1: Write the proportion equation
313,846.02 : 433,107.45 = 170,605.62 : x - Step 2: Convert to fraction form
313,846.02/433,107.45 = 170,605.62/x - Step 3: Cross multiply
313,846.02x = 433,107.45 × 170,605.62 - Step 4: Simplify right side
313,846.02x = 73,890,565,033.87 - Step 5: Solve for x
x = 73,890,565,033.87/313,846.02 - Step 6: Final answer
x = 235,435.72
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1.5x scale
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.