Finding the Fourth Proportional to 406,621.13, 561,122.10 and 234,546.21
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Solution
The fourth proportional to 406,621.13, 561,122.10 and 234,546.21 is: 323,665.09
Step by Step Solution
- Step 1: Write the proportion equation
406,621.13 : 561,122.10 = 234,546.21 : x - Step 2: Convert to fraction form
406,621.13/561,122.10 = 234,546.21/x - Step 3: Cross multiply
406,621.13x = 561,122.10 × 234,546.21 - Step 4: Simplify right side
406,621.13x = 131,609,061,902.24 - Step 5: Solve for x
x = 131,609,061,902.24/406,621.13 - Step 6: Final answer
x = 323,665.09
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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.