Finding the Fourth Proportional to 481,722.76, 664,723.74 and 266,809.01
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Solution
The fourth proportional to 481,722.76, 664,723.74 and 266,809.01 is: 368,166.70
Step by Step Solution
- Step 1: Write the proportion equation
481,722.76 : 664,723.74 = 266,809.01 : x - Step 2: Convert to fraction form
481,722.76/664,723.74 = 266,809.01/x - Step 3: Cross multiply
481,722.76x = 664,723.74 × 266,809.01 - Step 4: Simplify right side
481,722.76x = 177,354,280,669.81 - Step 5: Solve for x
x = 177,354,280,669.81/481,722.76 - Step 6: Final answer
x = 368,166.70
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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.