Finding the Fourth Proportional to 119,857.98, 179,660.58 and 39,874.58
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Solution
The fourth proportional to 119,857.98, 179,660.58 and 39,874.58 is: 59,769.82
Step by Step Solution
- Step 1: Write the proportion equation
119,857.98 : 179,660.58 = 39,874.58 : x - Step 2: Convert to fraction form
119,857.98/179,660.58 = 39,874.58/x - Step 3: Cross multiply
119,857.98x = 179,660.58 × 39,874.58 - Step 4: Simplify right side
119,857.98x = 7,163,890,170.06 - Step 5: Solve for x
x = 7,163,890,170.06/119,857.98 - Step 6: Final answer
x = 59,769.82
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1.5x scale
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.