Finding the Fourth Proportional to 481,202.18, 664,074.68 and 277,237.09
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Solution
The fourth proportional to 481,202.18, 664,074.68 and 277,237.09 is: 382,596.21
Step by Step Solution
- Step 1: Write the proportion equation
481,202.18 : 664,074.68 = 277,237.09 : x - Step 2: Convert to fraction form
481,202.18/664,074.68 = 277,237.09/x - Step 3: Cross multiply
481,202.18x = 664,074.68 × 277,237.09 - Step 4: Simplify right side
481,202.18x = 184,106,128,779.51 - Step 5: Solve for x
x = 184,106,128,779.51/481,202.18 - Step 6: Final answer
x = 382,596.21
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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.