Finding the Fourth Proportional to 110,833.80, 166,272.30 and 47,653.80
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Solution
The fourth proportional to 110,833.80, 166,272.30 and 47,653.80 is: 71,489.99
Step by Step Solution
- Step 1: Write the proportion equation
110,833.80 : 166,272.30 = 47,653.80 : x - Step 2: Convert to fraction form
110,833.80/166,272.30 = 47,653.80/x - Step 3: Cross multiply
110,833.80x = 166,272.30 × 47,653.80 - Step 4: Simplify right side
110,833.80x = 7,923,506,929.74 - Step 5: Solve for x
x = 7,923,506,929.74/110,833.80 - Step 6: Final answer
x = 71,489.99
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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.