Finding the Fourth Proportional to 218,630.07, 301,074.26 and 189,936.63
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Solution
The fourth proportional to 218,630.07, 301,074.26 and 189,936.63 is: 261,560.68
Step by Step Solution
- Step 1: Write the proportion equation
218,630.07 : 301,074.26 = 189,936.63 : x - Step 2: Convert to fraction form
218,630.07/301,074.26 = 189,936.63/x - Step 3: Cross multiply
218,630.07x = 301,074.26 × 189,936.63 - Step 4: Simplify right side
218,630.07x = 57,185,029,374.46 - Step 5: Solve for x
x = 57,185,029,374.46/218,630.07 - Step 6: Final answer
x = 261,560.68
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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.