Finding the Fourth Proportional to 268,903.41, 371,072.61 and 148,021.08
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Solution
The fourth proportional to 268,903.41, 371,072.61 and 148,021.08 is: 204,261.33
Step by Step Solution
- Step 1: Write the proportion equation
268,903.41 : 371,072.61 = 148,021.08 : x - Step 2: Convert to fraction form
268,903.41/371,072.61 = 148,021.08/x - Step 3: Cross multiply
268,903.41x = 371,072.61 × 148,021.08 - Step 4: Simplify right side
268,903.41x = 54,926,568,490.62 - Step 5: Solve for x
x = 54,926,568,490.62/268,903.41 - Step 6: Final answer
x = 204,261.33
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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.