Finding the Fourth Proportional to 138,037.97, 207,056.86 and 44,543.72
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Solution
The fourth proportional to 138,037.97, 207,056.86 and 44,543.72 is: 66,815.55
Step by Step Solution
- Step 1: Write the proportion equation
138,037.97 : 207,056.86 = 44,543.72 : x - Step 2: Convert to fraction form
138,037.97/207,056.86 = 44,543.72/x - Step 3: Cross multiply
138,037.97x = 207,056.86 × 44,543.72 - Step 4: Simplify right side
138,037.97x = 9,223,083,202.20 - Step 5: Solve for x
x = 9,223,083,202.20/138,037.97 - Step 6: Final answer
x = 66,815.55
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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.