Finding the Fourth Proportional to 74,132.64, 111,216.60 and 24,212.79
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Solution
The fourth proportional to 74,132.64, 111,216.60 and 24,212.79 is: 36,324.95
Step by Step Solution
- Step 1: Write the proportion equation
74,132.64 : 111,216.60 = 24,212.79 : x - Step 2: Convert to fraction form
74,132.64/111,216.60 = 24,212.79/x - Step 3: Cross multiply
74,132.64x = 111,216.60 × 24,212.79 - Step 4: Simplify right side
74,132.64x = 2,692,864,180.31 - Step 5: Solve for x
x = 2,692,864,180.31/74,132.64 - Step 6: Final answer
x = 36,324.95
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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.