Finding the Fourth Proportional to 423,286.97, 584,147.09 and 242,028.41
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Solution
The fourth proportional to 423,286.97, 584,147.09 and 242,028.41 is: 334,005.53
Step by Step Solution
- Step 1: Write the proportion equation
423,286.97 : 584,147.09 = 242,028.41 : x - Step 2: Convert to fraction form
423,286.97/584,147.09 = 242,028.41/x - Step 3: Cross multiply
423,286.97x = 584,147.09 × 242,028.41 - Step 4: Simplify right side
423,286.97x = 141,380,189,083.16 - Step 5: Solve for x
x = 141,380,189,083.16/423,286.97 - Step 6: Final answer
x = 334,005.53
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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.