Finding the Fourth Proportional to 445,858.26, 668,393.70 and 341,144.70
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Solution
The fourth proportional to 445,858.26, 668,393.70 and 341,144.70 is: 511,415.82
Step by Step Solution
- Step 1: Write the proportion equation
445,858.26 : 668,393.70 = 341,144.70 : x - Step 2: Convert to fraction form
445,858.26/668,393.70 = 341,144.70/x - Step 3: Cross multiply
445,858.26x = 668,393.70 × 341,144.70 - Step 4: Simplify right side
445,858.26x = 228,018,968,268.39 - Step 5: Solve for x
x = 228,018,968,268.39/445,858.26 - Step 6: Final answer
x = 511,415.82
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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.