Finding the Fourth Proportional to 542,183.26, 811,982.11 and 313,996.74
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Solution
The fourth proportional to 542,183.26, 811,982.11 and 313,996.74 is: 470,246.42
Step by Step Solution
- Step 1: Write the proportion equation
542,183.26 : 811,982.11 = 313,996.74 : x - Step 2: Convert to fraction form
542,183.26/811,982.11 = 313,996.74/x - Step 3: Cross multiply
542,183.26x = 811,982.11 × 313,996.74 - Step 4: Simplify right side
542,183.26x = 254,959,735,478.32 - Step 5: Solve for x
x = 254,959,735,478.32/542,183.26 - Step 6: Final answer
x = 470,246.42
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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.