Finding the Fourth Proportional to 455,707.67, 628,874.56 and 251,758.62
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Solution
The fourth proportional to 455,707.67, 628,874.56 and 251,758.62 is: 347,425.78
Step by Step Solution
- Step 1: Write the proportion equation
455,707.67 : 628,874.56 = 251,758.62 : x - Step 2: Convert to fraction form
455,707.67/628,874.56 = 251,758.62/x - Step 3: Cross multiply
455,707.67x = 628,874.56 × 251,758.62 - Step 4: Simplify right side
455,707.67x = 158,324,590,749.31 - Step 5: Solve for x
x = 158,324,590,749.31/455,707.67 - Step 6: Final answer
x = 347,425.78
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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.