Finding the Fourth Proportional to 529,442.28, 794,311.65 and 214,120.62
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Solution
The fourth proportional to 529,442.28, 794,311.65 and 214,120.62 is: 321,240.88
Step by Step Solution
- Step 1: Write the proportion equation
529,442.28 : 794,311.65 = 214,120.62 : x - Step 2: Convert to fraction form
529,442.28/794,311.65 = 214,120.62/x - Step 3: Cross multiply
529,442.28x = 794,311.65 × 214,120.62 - Step 4: Simplify right side
529,442.28x = 170,078,502,971.22 - Step 5: Solve for x
x = 170,078,502,971.22/529,442.28 - Step 6: Final answer
x = 321,240.88
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1.5x scale
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.