Finding the Fourth Proportional to 458,589.23, 687,649.62 and 269,419.13
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Solution
The fourth proportional to 458,589.23, 687,649.62 and 269,419.13 is: 403,991.09
Step by Step Solution
- Step 1: Write the proportion equation
458,589.23 : 687,649.62 = 269,419.13 : x - Step 2: Convert to fraction form
458,589.23/687,649.62 = 269,419.13/x - Step 3: Cross multiply
458,589.23x = 687,649.62 × 269,419.13 - Step 4: Simplify right side
458,589.23x = 185,265,962,365.23 - Step 5: Solve for x
x = 185,265,962,365.23/458,589.23 - Step 6: Final answer
x = 403,991.09
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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.