Finding the Fourth Proportional to 298,616.10, 412,090.14 and 164,480.10
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Solution
The fourth proportional to 298,616.10, 412,090.14 and 164,480.10 is: 226,982.50
Step by Step Solution
- Step 1: Write the proportion equation
298,616.10 : 412,090.14 = 164,480.10 : x - Step 2: Convert to fraction form
298,616.10/412,090.14 = 164,480.10/x - Step 3: Cross multiply
298,616.10x = 412,090.14 × 164,480.10 - Step 4: Simplify right side
298,616.10x = 67,780,627,436.21 - Step 5: Solve for x
x = 67,780,627,436.21/298,616.10 - Step 6: Final answer
x = 226,982.50
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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.