Finding the Fourth Proportional to 110,698.80, 166,069.80 and 47,518.80
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Solution
The fourth proportional to 110,698.80, 166,069.80 and 47,518.80 is: 71,287.47
Step by Step Solution
- Step 1: Write the proportion equation
110,698.80 : 166,069.80 = 47,518.80 : x - Step 2: Convert to fraction form
110,698.80/166,069.80 = 47,518.80/x - Step 3: Cross multiply
110,698.80x = 166,069.80 × 47,518.80 - Step 4: Simplify right side
110,698.80x = 7,891,437,612.24 - Step 5: Solve for x
x = 7,891,437,612.24/110,698.80 - Step 6: Final answer
x = 71,287.47
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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.