Finding the Fourth Proportional to 383,995.04, 529,913.49 and 214,229.21
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Solution
The fourth proportional to 383,995.04, 529,913.49 and 214,229.21 is: 295,636.50
Step by Step Solution
- Step 1: Write the proportion equation
383,995.04 : 529,913.49 = 214,229.21 : x - Step 2: Convert to fraction form
383,995.04/529,913.49 = 214,229.21/x - Step 3: Cross multiply
383,995.04x = 529,913.49 × 214,229.21 - Step 4: Simplify right side
383,995.04x = 113,522,948,331.04 - Step 5: Solve for x
x = 113,522,948,331.04/383,995.04 - Step 6: Final answer
x = 295,636.50
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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.