Finding the Fourth Proportional to 289,161.02, 433,431.24 and 120,554.26
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Solution
The fourth proportional to 289,161.02, 433,431.24 and 120,554.26 is: 180,702.03
Step by Step Solution
- Step 1: Write the proportion equation
289,161.02 : 433,431.24 = 120,554.26 : x - Step 2: Convert to fraction form
289,161.02/433,431.24 = 120,554.26/x - Step 3: Cross multiply
289,161.02x = 433,431.24 × 120,554.26 - Step 4: Simplify right side
289,161.02x = 52,251,982,399.08 - Step 5: Solve for x
x = 52,251,982,399.08/289,161.02 - Step 6: Final answer
x = 180,702.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.