Finding the Fourth Proportional to 397,784.96, 548,847.44 and 234,447.98
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Solution
The fourth proportional to 397,784.96, 548,847.44 and 234,447.98 is: 323,481.75
Step by Step Solution
- Step 1: Write the proportion equation
397,784.96 : 548,847.44 = 234,447.98 : x - Step 2: Convert to fraction form
397,784.96/548,847.44 = 234,447.98/x - Step 3: Cross multiply
397,784.96x = 548,847.44 × 234,447.98 - Step 4: Simplify right side
397,784.96x = 128,676,173,636.17 - Step 5: Solve for x
x = 128,676,173,636.17/397,784.96 - Step 6: Final answer
x = 323,481.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.