Finding the Fourth Proportional to 338,634.42, 467,336.49 and 187,731.42
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Solution
The fourth proportional to 338,634.42, 467,336.49 and 187,731.42 is: 259,080.99
Step by Step Solution
- Step 1: Write the proportion equation
338,634.42 : 467,336.49 = 187,731.42 : x - Step 2: Convert to fraction form
338,634.42/467,336.49 = 187,731.42/x - Step 3: Cross multiply
338,634.42x = 467,336.49 × 187,731.42 - Step 4: Simplify right side
338,634.42x = 87,733,739,610.18 - Step 5: Solve for x
x = 87,733,739,610.18/338,634.42 - Step 6: Final answer
x = 259,080.99
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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.