Finding the Fourth Proportional to 416,686.22, 623,249.35 and 347,879.55
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Solution
The fourth proportional to 416,686.22, 623,249.35 and 347,879.55 is: 520,333.27
Step by Step Solution
- Step 1: Write the proportion equation
416,686.22 : 623,249.35 = 347,879.55 : x - Step 2: Convert to fraction form
416,686.22/623,249.35 = 347,879.55/x - Step 3: Cross multiply
416,686.22x = 623,249.35 × 347,879.55 - Step 4: Simplify right side
416,686.22x = 216,815,702,546.09 - Step 5: Solve for x
x = 216,815,702,546.09/416,686.22 - Step 6: Final answer
x = 520,333.27
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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.