Finding the Fourth Proportional to 481,254.21, 664,122.75 and 266,389.65
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Solution
The fourth proportional to 481,254.21, 664,122.75 and 266,389.65 is: 367,613.26
Step by Step Solution
- Step 1: Write the proportion equation
481,254.21 : 664,122.75 = 266,389.65 : x - Step 2: Convert to fraction form
481,254.21/664,122.75 = 266,389.65/x - Step 3: Cross multiply
481,254.21x = 664,122.75 × 266,389.65 - Step 4: Simplify right side
481,254.21x = 176,915,426,929.54 - Step 5: Solve for x
x = 176,915,426,929.54/481,254.21 - Step 6: Final answer
x = 367,613.26
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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.