Finding the Fourth Proportional to 331,023.26, 456,820.98 and 187,804.82
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Solution
The fourth proportional to 331,023.26, 456,820.98 and 187,804.82 is: 259,175.69
Step by Step Solution
- Step 1: Write the proportion equation
331,023.26 : 456,820.98 = 187,804.82 : x - Step 2: Convert to fraction form
331,023.26/456,820.98 = 187,804.82/x - Step 3: Cross multiply
331,023.26x = 456,820.98 × 187,804.82 - Step 4: Simplify right side
331,023.26x = 85,793,181,921.12 - Step 5: Solve for x
x = 85,793,181,921.12/331,023.26 - Step 6: Final answer
x = 259,175.69
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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.