Finding the Fourth Proportional to 481,474.98, 664,438.68 and 266,628.96
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Solution
The fourth proportional to 481,474.98, 664,438.68 and 266,628.96 is: 367,949.74
Step by Step Solution
- Step 1: Write the proportion equation
481,474.98 : 664,438.68 = 266,628.96 : x - Step 2: Convert to fraction form
481,474.98/664,438.68 = 266,628.96/x - Step 3: Cross multiply
481,474.98x = 664,438.68 × 266,628.96 - Step 4: Simplify right side
481,474.98x = 177,158,594,232.17 - Step 5: Solve for x
x = 177,158,594,232.17/481,474.98 - Step 6: Final answer
x = 367,949.74
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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.