Finding the Fourth Proportional to 163,063.10, 244,595.56 and 74,254.70
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Solution
The fourth proportional to 163,063.10, 244,595.56 and 74,254.70 is: 111,382.46
Step by Step Solution
- Step 1: Write the proportion equation
163,063.10 : 244,595.56 = 74,254.70 : x - Step 2: Convert to fraction form
163,063.10/244,595.56 = 74,254.70/x - Step 3: Cross multiply
163,063.10x = 244,595.56 × 74,254.70 - Step 4: Simplify right side
163,063.10x = 18,162,369,929.13 - Step 5: Solve for x
x = 18,162,369,929.13/163,063.10 - Step 6: Final answer
x = 111,382.46
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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.