Finding the Fourth Proportional to 227,397.94, 313,932.20 and 136,774.14
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Solution
The fourth proportional to 227,397.94, 313,932.20 and 136,774.14 is: 188,822.32
Step by Step Solution
- Step 1: Write the proportion equation
227,397.94 : 313,932.20 = 136,774.14 : x - Step 2: Convert to fraction form
227,397.94/313,932.20 = 136,774.14/x - Step 3: Cross multiply
227,397.94x = 313,932.20 × 136,774.14 - Step 4: Simplify right side
227,397.94x = 42,937,806,673.31 - Step 5: Solve for x
x = 42,937,806,673.31/227,397.94 - Step 6: Final answer
x = 188,822.32
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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.