Finding the Fourth Proportional to 368,575.63, 508,791.30 and 247,786.97
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Solution
The fourth proportional to 368,575.63, 508,791.30 and 247,786.97 is: 342,051.52
Step by Step Solution
- Step 1: Write the proportion equation
368,575.63 : 508,791.30 = 247,786.97 : x - Step 2: Convert to fraction form
368,575.63/508,791.30 = 247,786.97/x - Step 3: Cross multiply
368,575.63x = 508,791.30 × 247,786.97 - Step 4: Simplify right side
368,575.63x = 126,071,854,589.36 - Step 5: Solve for x
x = 126,071,854,589.36/368,575.63 - Step 6: Final answer
x = 342,051.52
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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.