Finding the Fourth Proportional to 412,593.44, 618,742.44 and 223,193.84
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Solution
The fourth proportional to 412,593.44, 618,742.44 and 223,193.84 is: 334,710.85
Step by Step Solution
- Step 1: Write the proportion equation
412,593.44 : 618,742.44 = 223,193.84 : x - Step 2: Convert to fraction form
412,593.44/618,742.44 = 223,193.84/x - Step 3: Cross multiply
412,593.44x = 618,742.44 × 223,193.84 - Step 4: Simplify right side
412,593.44x = 138,099,501,154.57 - Step 5: Solve for x
x = 138,099,501,154.57/412,593.44 - Step 6: Final answer
x = 334,710.85
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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.