Finding the Fourth Proportional to 74,785.28, 112,153.64 and 24,851.96
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Solution
The fourth proportional to 74,785.28, 112,153.64 and 24,851.96 is: 37,269.87
Step by Step Solution
- Step 1: Write the proportion equation
74,785.28 : 112,153.64 = 24,851.96 : x - Step 2: Convert to fraction form
74,785.28/112,153.64 = 24,851.96/x - Step 3: Cross multiply
74,785.28x = 112,153.64 × 24,851.96 - Step 4: Simplify right side
74,785.28x = 2,787,237,775.13 - Step 5: Solve for x
x = 2,787,237,775.13/74,785.28 - Step 6: Final answer
x = 37,269.87
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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.