Finding the Fourth Proportional to 481,682.26, 664,713.18 and 266,817.79
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Solution
The fourth proportional to 481,682.26, 664,713.18 and 266,817.79 is: 368,203.93
Step by Step Solution
- Step 1: Write the proportion equation
481,682.26 : 664,713.18 = 266,817.79 : x - Step 2: Convert to fraction form
481,682.26/664,713.18 = 266,817.79/x - Step 3: Cross multiply
481,682.26x = 664,713.18 × 266,817.79 - Step 4: Simplify right side
481,682.26x = 177,357,301,671.47 - Step 5: Solve for x
x = 177,357,301,671.47/481,682.26 - Step 6: Final answer
x = 368,203.93
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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.