Finding the Fourth Proportional to 619,537.28, 929,305.98 and 220,193.84
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Solution
The fourth proportional to 619,537.28, 929,305.98 and 220,193.84 is: 330,290.79
Step by Step Solution
- Step 1: Write the proportion equation
619,537.28 : 929,305.98 = 220,193.84 : x - Step 2: Convert to fraction form
619,537.28/929,305.98 = 220,193.84/x - Step 3: Cross multiply
619,537.28x = 929,305.98 × 220,193.84 - Step 4: Simplify right side
619,537.28x = 204,627,454,594.43 - Step 5: Solve for x
x = 204,627,454,594.43/619,537.28 - Step 6: Final answer
x = 330,290.79
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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.