Finding the Fourth Proportional to 227,419.50, 313,801.92 and 136,753.68
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Solution
The fourth proportional to 227,419.50, 313,801.92 and 136,753.68 is: 188,697.84
Step by Step Solution
- Step 1: Write the proportion equation
227,419.50 : 313,801.92 = 136,753.68 : x - Step 2: Convert to fraction form
227,419.50/313,801.92 = 136,753.68/x - Step 3: Cross multiply
227,419.50x = 313,801.92 × 136,753.68 - Step 4: Simplify right side
227,419.50x = 42,913,567,351.07 - Step 5: Solve for x
x = 42,913,567,351.07/227,419.50 - Step 6: Final answer
x = 188,697.84
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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.