Finding the Fourth Proportional to 345,810.26, 518,837.44 and 121,233.26
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Solution
The fourth proportional to 345,810.26, 518,837.44 and 121,233.26 is: 181,892.68
Step by Step Solution
- Step 1: Write the proportion equation
345,810.26 : 518,837.44 = 121,233.26 : x - Step 2: Convert to fraction form
345,810.26/518,837.44 = 121,233.26/x - Step 3: Cross multiply
345,810.26x = 518,837.44 × 121,233.26 - Step 4: Simplify right side
345,810.26x = 62,900,354,261.25 - Step 5: Solve for x
x = 62,900,354,261.25/345,810.26 - Step 6: Final answer
x = 181,892.68
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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.