Finding the Fourth Proportional to 481,279.68, 664,157.92 and 266,415.20
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Solution
The fourth proportional to 481,279.68, 664,157.92 and 266,415.20 is: 367,648.53
Step by Step Solution
- Step 1: Write the proportion equation
481,279.68 : 664,157.92 = 266,415.20 : x - Step 2: Convert to fraction form
481,279.68/664,157.92 = 266,415.20/x - Step 3: Cross multiply
481,279.68x = 664,157.92 × 266,415.20 - Step 4: Simplify right side
481,279.68x = 176,941,765,088.38 - Step 5: Solve for x
x = 176,941,765,088.38/481,279.68 - Step 6: Final answer
x = 367,648.53
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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.