Finding the Fourth Proportional to 275,497.06, 412,851.36 and 156,923.62
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Solution
The fourth proportional to 275,497.06, 412,851.36 and 156,923.62 is: 235,160.88
Step by Step Solution
- Step 1: Write the proportion equation
275,497.06 : 412,851.36 = 156,923.62 : x - Step 2: Convert to fraction form
275,497.06/412,851.36 = 156,923.62/x - Step 3: Cross multiply
275,497.06x = 412,851.36 × 156,923.62 - Step 4: Simplify right side
275,497.06x = 64,786,129,933.12 - Step 5: Solve for x
x = 64,786,129,933.12/275,497.06 - Step 6: Final answer
x = 235,160.88
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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.