Finding the Fourth Proportional to 236,351.63, 326,201.74 and 139,565.84
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Solution
The fourth proportional to 236,351.63, 326,201.74 and 139,565.84 is: 192,622.40
Step by Step Solution
- Step 1: Write the proportion equation
236,351.63 : 326,201.74 = 139,565.84 : x - Step 2: Convert to fraction form
236,351.63/326,201.74 = 139,565.84/x - Step 3: Cross multiply
236,351.63x = 326,201.74 × 139,565.84 - Step 4: Simplify right side
236,351.63x = 45,526,618,221.55 - Step 5: Solve for x
x = 45,526,618,221.55/236,351.63 - Step 6: Final answer
x = 192,622.40
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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.