Finding the Fourth Proportional to 285,660.01, 428,454.99 and 165,782.18
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Solution
The fourth proportional to 285,660.01, 428,454.99 and 165,782.18 is: 248,652.94
Step by Step Solution
- Step 1: Write the proportion equation
285,660.01 : 428,454.99 = 165,782.18 : x - Step 2: Convert to fraction form
285,660.01/428,454.99 = 165,782.18/x - Step 3: Cross multiply
285,660.01x = 428,454.99 × 165,782.18 - Step 4: Simplify right side
285,660.01x = 71,030,202,826.63 - Step 5: Solve for x
x = 71,030,202,826.63/285,660.01 - Step 6: Final answer
x = 248,652.94
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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.