Finding the Fourth Proportional to 149,224.42, 223,695.94 and 74,273.70
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Solution
The fourth proportional to 149,224.42, 223,695.94 and 74,273.70 is: 111,340.52
Step by Step Solution
- Step 1: Write the proportion equation
149,224.42 : 223,695.94 = 74,273.70 : x - Step 2: Convert to fraction form
149,224.42/223,695.94 = 74,273.70/x - Step 3: Cross multiply
149,224.42x = 223,695.94 × 74,273.70 - Step 4: Simplify right side
149,224.42x = 16,614,725,138.78 - Step 5: Solve for x
x = 16,614,725,138.78/149,224.42 - Step 6: Final answer
x = 111,340.52
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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.