Finding the Fourth Proportional to 159,299.20, 238,879.36 and 48,465.28
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Solution
The fourth proportional to 159,299.20, 238,879.36 and 48,465.28 is: 72,676.79
Step by Step Solution
- Step 1: Write the proportion equation
159,299.20 : 238,879.36 = 48,465.28 : x - Step 2: Convert to fraction form
159,299.20/238,879.36 = 48,465.28/x - Step 3: Cross multiply
159,299.20x = 238,879.36 × 48,465.28 - Step 4: Simplify right side
159,299.20x = 11,577,355,068.62 - Step 5: Solve for x
x = 11,577,355,068.62/159,299.20 - Step 6: Final answer
x = 72,676.79
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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.