Finding the Fourth Proportional to 266,201.44, 399,303.20 and 66,522.05
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Solution
The fourth proportional to 266,201.44, 399,303.20 and 66,522.05 is: 99,783.33
Step by Step Solution
- Step 1: Write the proportion equation
266,201.44 : 399,303.20 = 66,522.05 : x - Step 2: Convert to fraction form
266,201.44/399,303.20 = 66,522.05/x - Step 3: Cross multiply
266,201.44x = 399,303.20 × 66,522.05 - Step 4: Simplify right side
266,201.44x = 26,562,467,435.56 - Step 5: Solve for x
x = 26,562,467,435.56/266,201.44 - Step 6: Final answer
x = 99,783.33
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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.