Finding the Fourth Proportional to 538,566.36, 743,177.88 and 312,226.44
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Solution
The fourth proportional to 538,566.36, 743,177.88 and 312,226.44 is: 430,847.15
Step by Step Solution
- Step 1: Write the proportion equation
538,566.36 : 743,177.88 = 312,226.44 : x - Step 2: Convert to fraction form
538,566.36/743,177.88 = 312,226.44/x - Step 3: Cross multiply
538,566.36x = 743,177.88 × 312,226.44 - Step 4: Simplify right side
538,566.36x = 232,039,783,759.15 - Step 5: Solve for x
x = 232,039,783,759.15/538,566.36 - Step 6: Final answer
x = 430,847.15
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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.