Finding the Fourth Proportional to 163,037.20, 244,555.80 and 74,463.70
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Solution
The fourth proportional to 163,037.20, 244,555.80 and 74,463.70 is: 111,695.55
Step by Step Solution
- Step 1: Write the proportion equation
163,037.20 : 244,555.80 = 74,463.70 : x - Step 2: Convert to fraction form
163,037.20/244,555.80 = 74,463.70/x - Step 3: Cross multiply
163,037.20x = 244,555.80 × 74,463.70 - Step 4: Simplify right side
163,037.20x = 18,210,529,724.46 - Step 5: Solve for x
x = 18,210,529,724.46/163,037.20 - Step 6: Final answer
x = 111,695.55
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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.