Finding the Fourth Proportional to 445,403.10, 668,251.26 and 296,230.26
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Solution
The fourth proportional to 445,403.10, 668,251.26 and 296,230.26 is: 444,442.90
Step by Step Solution
- Step 1: Write the proportion equation
445,403.10 : 668,251.26 = 296,230.26 : x - Step 2: Convert to fraction form
445,403.10/668,251.26 = 296,230.26/x - Step 3: Cross multiply
445,403.10x = 668,251.26 × 296,230.26 - Step 4: Simplify right side
445,403.10x = 197,956,244,495.13 - Step 5: Solve for x
x = 197,956,244,495.13/445,403.10 - Step 6: Final answer
x = 444,442.90
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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.