Finding the Fourth Proportional to 227,155.34, 313,474.82 and 136,512.70
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Solution
The fourth proportional to 227,155.34, 313,474.82 and 136,512.70 is: 188,387.80
Step by Step Solution
- Step 1: Write the proportion equation
227,155.34 : 313,474.82 = 136,512.70 : x - Step 2: Convert to fraction form
227,155.34/313,474.82 = 136,512.70/x - Step 3: Cross multiply
227,155.34x = 313,474.82 × 136,512.70 - Step 4: Simplify right side
227,155.34x = 42,793,294,060.21 - Step 5: Solve for x
x = 42,793,294,060.21/227,155.34 - Step 6: Final answer
x = 188,387.80
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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.