Finding the Fourth Proportional to 163,051.20, 244,576.80 and 139,723.20
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Solution
The fourth proportional to 163,051.20, 244,576.80 and 139,723.20 is: 209,584.80
Step by Step Solution
- Step 1: Write the proportion equation
163,051.20 : 244,576.80 = 139,723.20 : x - Step 2: Convert to fraction form
163,051.20/244,576.80 = 139,723.20/x - Step 3: Cross multiply
163,051.20x = 244,576.80 × 139,723.20 - Step 4: Simplify right side
163,051.20x = 34,173,053,141.76 - Step 5: Solve for x
x = 34,173,053,141.76/163,051.20 - Step 6: Final answer
x = 209,584.80
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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.