Finding the Fourth Proportional to 445,842.60, 668,850.30 and 193,122.60
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Solution
The fourth proportional to 445,842.60, 668,850.30 and 193,122.60 is: 289,721.33
Step by Step Solution
- Step 1: Write the proportion equation
445,842.60 : 668,850.30 = 193,122.60 : x - Step 2: Convert to fraction form
445,842.60/668,850.30 = 193,122.60/x - Step 3: Cross multiply
445,842.60x = 668,850.30 × 193,122.60 - Step 4: Simplify right side
445,842.60x = 129,170,108,946.78 - Step 5: Solve for x
x = 129,170,108,946.78/445,842.60 - Step 6: Final answer
x = 289,721.33
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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.