Finding the Fourth Proportional to 266,450.84, 399,873.36 and 126,209.78
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Solution
The fourth proportional to 266,450.84, 399,873.36 and 126,209.78 is: 189,408.03
Step by Step Solution
- Step 1: Write the proportion equation
266,450.84 : 399,873.36 = 126,209.78 : x - Step 2: Convert to fraction form
266,450.84/399,873.36 = 126,209.78/x - Step 3: Cross multiply
266,450.84x = 399,873.36 × 126,209.78 - Step 4: Simplify right side
266,450.84x = 50,467,928,793.46 - Step 5: Solve for x
x = 50,467,928,793.46/266,450.84 - Step 6: Final answer
x = 189,408.03
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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.