Finding the Fourth Proportional to 236,701.40, 326,633.58 and 129,249.63
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Solution
The fourth proportional to 236,701.40, 326,633.58 and 129,249.63 is: 178,356.66
Step by Step Solution
- Step 1: Write the proportion equation
236,701.40 : 326,633.58 = 129,249.63 : x - Step 2: Convert to fraction form
236,701.40/326,633.58 = 129,249.63/x - Step 3: Cross multiply
236,701.40x = 326,633.58 × 129,249.63 - Step 4: Simplify right side
236,701.40x = 42,217,269,360.58 - Step 5: Solve for x
x = 42,217,269,360.58/236,701.40 - Step 6: Final answer
x = 178,356.66
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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.