Finding the Fourth Proportional to 415,745.36, 623,612.57 and 100,199.53
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Solution
The fourth proportional to 415,745.36, 623,612.57 and 100,199.53 is: 150,297.98
Step by Step Solution
- Step 1: Write the proportion equation
415,745.36 : 623,612.57 = 100,199.53 : x - Step 2: Convert to fraction form
415,745.36/623,612.57 = 100,199.53/x - Step 3: Cross multiply
415,745.36x = 623,612.57 × 100,199.53 - Step 4: Simplify right side
415,745.36x = 62,485,687,258.23 - Step 5: Solve for x
x = 62,485,687,258.23/415,745.36 - Step 6: Final answer
x = 150,297.98
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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.