Finding the Fourth Proportional to 163,717.80, 245,576.70 and 111,229.80
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Solution
The fourth proportional to 163,717.80, 245,576.70 and 111,229.80 is: 166,844.70
Step by Step Solution
- Step 1: Write the proportion equation
163,717.80 : 245,576.70 = 111,229.80 : x - Step 2: Convert to fraction form
163,717.80/245,576.70 = 111,229.80/x - Step 3: Cross multiply
163,717.80x = 245,576.70 × 111,229.80 - Step 4: Simplify right side
163,717.80x = 27,315,447,225.66 - Step 5: Solve for x
x = 27,315,447,225.66/163,717.80 - Step 6: Final answer
x = 166,844.70
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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.