Finding the Fourth Proportional to 275,396.32, 412,567.84 and 186,212.08
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Solution
The fourth proportional to 275,396.32, 412,567.84 and 186,212.08 is: 278,962.03
Step by Step Solution
- Step 1: Write the proportion equation
275,396.32 : 412,567.84 = 186,212.08 : x - Step 2: Convert to fraction form
275,396.32/412,567.84 = 186,212.08/x - Step 3: Cross multiply
275,396.32x = 412,567.84 × 186,212.08 - Step 4: Simplify right side
275,396.32x = 76,825,115,627.51 - Step 5: Solve for x
x = 76,825,115,627.51/275,396.32 - Step 6: Final answer
x = 278,962.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.