Finding the Fourth Proportional to 323,135.94, 445,913.19 and 185,215.98
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Solution
The fourth proportional to 323,135.94, 445,913.19 and 185,215.98 is: 255,589.79
Step by Step Solution
- Step 1: Write the proportion equation
323,135.94 : 445,913.19 = 185,215.98 : x - Step 2: Convert to fraction form
323,135.94/445,913.19 = 185,215.98/x - Step 3: Cross multiply
323,135.94x = 445,913.19 × 185,215.98 - Step 4: Simplify right side
323,135.94x = 82,590,248,480.78 - Step 5: Solve for x
x = 82,590,248,480.78/323,135.94 - Step 6: Final answer
x = 255,589.79
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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.