Finding the Fourth Proportional to 238,214.28, 328,740.93 and 136,249.05
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Solution
The fourth proportional to 238,214.28, 328,740.93 and 136,249.05 is: 188,026.68
Step by Step Solution
- Step 1: Write the proportion equation
238,214.28 : 328,740.93 = 136,249.05 : x - Step 2: Convert to fraction form
238,214.28/328,740.93 = 136,249.05/x - Step 3: Cross multiply
238,214.28x = 328,740.93 × 136,249.05 - Step 4: Simplify right side
238,214.28x = 44,790,639,408.62 - Step 5: Solve for x
x = 44,790,639,408.62/238,214.28 - Step 6: Final answer
x = 188,026.68
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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.