Finding the Fourth Proportional to 386,536.98, 533,425.44 and 214,458.12
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Solution
The fourth proportional to 386,536.98, 533,425.44 and 214,458.12 is: 295,954.65
Step by Step Solution
- Step 1: Write the proportion equation
386,536.98 : 533,425.44 = 214,458.12 : x - Step 2: Convert to fraction form
386,536.98/533,425.44 = 214,458.12/x - Step 3: Cross multiply
386,536.98x = 533,425.44 × 214,458.12 - Step 4: Simplify right side
386,536.98x = 114,397,417,022.57 - Step 5: Solve for x
x = 114,397,417,022.57/386,536.98 - Step 6: Final answer
x = 295,954.65
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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.