Finding the Fourth Proportional to 481,615.84, 664,600.56 and 266,743.12
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Solution
The fourth proportional to 481,615.84, 664,600.56 and 266,743.12 is: 368,089.28
Step by Step Solution
- Step 1: Write the proportion equation
481,615.84 : 664,600.56 = 266,743.12 : x - Step 2: Convert to fraction form
481,615.84/664,600.56 = 266,743.12/x - Step 3: Cross multiply
481,615.84x = 664,600.56 × 266,743.12 - Step 4: Simplify right side
481,615.84x = 177,277,626,928.15 - Step 5: Solve for x
x = 177,277,626,928.15/481,615.84 - Step 6: Final answer
x = 368,089.28
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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.