Finding the Fourth Proportional to 649,249.68, 973,783.62 and 222,778.56
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Solution
The fourth proportional to 649,249.68, 973,783.62 and 222,778.56 is: 334,136.65
Step by Step Solution
- Step 1: Write the proportion equation
649,249.68 : 973,783.62 = 222,778.56 : x - Step 2: Convert to fraction form
649,249.68/973,783.62 = 222,778.56/x - Step 3: Cross multiply
649,249.68x = 973,783.62 × 222,778.56 - Step 4: Simplify right side
649,249.68x = 216,938,112,615.19 - Step 5: Solve for x
x = 216,938,112,615.19/649,249.68 - Step 6: Final answer
x = 334,136.65
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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.