Finding the Fourth Proportional to 275,272.20, 412,908.30 and 246,403.80
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Solution
The fourth proportional to 275,272.20, 412,908.30 and 246,403.80 is: 369,605.70
Step by Step Solution
- Step 1: Write the proportion equation
275,272.20 : 412,908.30 = 246,403.80 : x - Step 2: Convert to fraction form
275,272.20/412,908.30 = 246,403.80/x - Step 3: Cross multiply
275,272.20x = 412,908.30 × 246,403.80 - Step 4: Simplify right side
275,272.20x = 101,742,174,171.54 - Step 5: Solve for x
x = 101,742,174,171.54/275,272.20 - Step 6: Final answer
x = 369,605.70
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1.5x scale
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.