Finding the Fourth Proportional to 119,701.80, 159,310.80 and 119,701.80
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Solution
The fourth proportional to 119,701.80, 159,310.80 and 119,701.80 is: 159,310.80
Step by Step Solution
- Step 1: Write the proportion equation
119,701.80 : 159,310.80 = 119,701.80 : x - Step 2: Convert to fraction form
119,701.80/159,310.80 = 119,701.80/x - Step 3: Cross multiply
119,701.80x = 159,310.80 × 119,701.80 - Step 4: Simplify right side
119,701.80x = 19,069,789,519.44 - Step 5: Solve for x
x = 19,069,789,519.44/119,701.80 - Step 6: Final answer
x = 159,310.80
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Why These Related Problems?
These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.