Finding the Fourth Proportional to 236,579.94, 326,480.92 and 129,150.06
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Solution
The fourth proportional to 236,579.94, 326,480.92 and 129,150.06 is: 178,227.41
Step by Step Solution
- Step 1: Write the proportion equation
236,579.94 : 326,480.92 = 129,150.06 : x - Step 2: Convert to fraction form
236,579.94/326,480.92 = 129,150.06/x - Step 3: Cross multiply
236,579.94x = 326,480.92 × 129,150.06 - Step 4: Simplify right side
236,579.94x = 42,165,030,406.86 - Step 5: Solve for x
x = 42,165,030,406.86/236,579.94 - Step 6: Final answer
x = 178,227.41
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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.