Finding the Fourth Proportional to 397,634.06, 548,730.75 and 236,485.58
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Solution
The fourth proportional to 397,634.06, 548,730.75 and 236,485.58 is: 326,347.56
Step by Step Solution
- Step 1: Write the proportion equation
397,634.06 : 548,730.75 = 236,485.58 : x - Step 2: Convert to fraction form
397,634.06/548,730.75 = 236,485.58/x - Step 3: Cross multiply
397,634.06x = 548,730.75 × 236,485.58 - Step 4: Simplify right side
397,634.06x = 129,766,907,820.75 - Step 5: Solve for x
x = 129,766,907,820.75/397,634.06 - Step 6: Final answer
x = 326,347.56
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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.