Finding the Fourth Proportional to 218,560.07, 301,634.49 and 127,910.63
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Solution
The fourth proportional to 218,560.07, 301,634.49 and 127,910.63 is: 176,529.31
Step by Step Solution
- Step 1: Write the proportion equation
218,560.07 : 301,634.49 = 127,910.63 : x - Step 2: Convert to fraction form
218,560.07/301,634.49 = 127,910.63/x - Step 3: Cross multiply
218,560.07x = 301,634.49 × 127,910.63 - Step 4: Simplify right side
218,560.07x = 38,582,257,645.63 - Step 5: Solve for x
x = 38,582,257,645.63/218,560.07 - Step 6: Final answer
x = 176,529.31
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1.5x scale
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.