Finding the Fourth Proportional to 353,367.97, 530,043.68 and 113,481.41
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Solution
The fourth proportional to 353,367.97, 530,043.68 and 113,481.41 is: 170,219.45
Step by Step Solution
- Step 1: Write the proportion equation
353,367.97 : 530,043.68 = 113,481.41 : x - Step 2: Convert to fraction form
353,367.97/530,043.68 = 113,481.41/x - Step 3: Cross multiply
353,367.97x = 530,043.68 × 113,481.41 - Step 4: Simplify right side
353,367.97x = 60,150,101,801.47 - Step 5: Solve for x
x = 60,150,101,801.47/353,367.97 - Step 6: Final answer
x = 170,219.45
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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.