Finding the Fourth Proportional to 481,343.18, 664,044.99 and 290,250.41
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Solution
The fourth proportional to 481,343.18, 664,044.99 and 290,250.41 is: 400,419.78
Step by Step Solution
- Step 1: Write the proportion equation
481,343.18 : 664,044.99 = 290,250.41 : x - Step 2: Convert to fraction form
481,343.18/664,044.99 = 290,250.41/x - Step 3: Cross multiply
481,343.18x = 664,044.99 × 290,250.41 - Step 4: Simplify right side
481,343.18x = 192,739,326,197.28 - Step 5: Solve for x
x = 192,739,326,197.28/481,343.18 - Step 6: Final answer
x = 400,419.78
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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.