Finding the Fourth Proportional to 246,217.80, 339,780.01 and 133,040.55
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Solution
The fourth proportional to 246,217.80, 339,780.01 and 133,040.55 is: 183,595.66
Step by Step Solution
- Step 1: Write the proportion equation
246,217.80 : 339,780.01 = 133,040.55 : x - Step 2: Convert to fraction form
246,217.80/339,780.01 = 133,040.55/x - Step 3: Cross multiply
246,217.80x = 339,780.01 × 133,040.55 - Step 4: Simplify right side
246,217.80x = 45,204,519,409.41 - Step 5: Solve for x
x = 45,204,519,409.41/246,217.80 - Step 6: Final answer
x = 183,595.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.