Finding the Fourth Proportional to 419,840.44, 579,197.35 and 266,796.68
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Solution
The fourth proportional to 419,840.44, 579,197.35 and 266,796.68 is: 368,063.48
Step by Step Solution
- Step 1: Write the proportion equation
419,840.44 : 579,197.35 = 266,796.68 : x - Step 2: Convert to fraction form
419,840.44/579,197.35 = 266,796.68/x - Step 3: Cross multiply
419,840.44x = 579,197.35 × 266,796.68 - Step 4: Simplify right side
419,840.44x = 154,527,930,825.80 - Step 5: Solve for x
x = 154,527,930,825.80/419,840.44 - Step 6: Final answer
x = 368,063.48
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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.