Finding the Fourth Proportional to 296,780.40, 445,170.60 and 97,107.30
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Solution
The fourth proportional to 296,780.40, 445,170.60 and 97,107.30 is: 145,660.95
Step by Step Solution
- Step 1: Write the proportion equation
296,780.40 : 445,170.60 = 97,107.30 : x - Step 2: Convert to fraction form
296,780.40/445,170.60 = 97,107.30/x - Step 3: Cross multiply
296,780.40x = 445,170.60 × 97,107.30 - Step 4: Simplify right side
296,780.40x = 43,229,315,005.38 - Step 5: Solve for x
x = 43,229,315,005.38/296,780.40 - Step 6: Final answer
x = 145,660.95
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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.