Finding the Fourth Proportional to 138,037.94, 207,059.49 and 43,266.02
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Solution
The fourth proportional to 138,037.94, 207,059.49 and 43,266.02 is: 64,899.84
Step by Step Solution
- Step 1: Write the proportion equation
138,037.94 : 207,059.49 = 43,266.02 : x - Step 2: Convert to fraction form
138,037.94/207,059.49 = 43,266.02/x - Step 3: Cross multiply
138,037.94x = 207,059.49 × 43,266.02 - Step 4: Simplify right side
138,037.94x = 8,958,640,553.18 - Step 5: Solve for x
x = 8,958,640,553.18/138,037.94 - Step 6: Final answer
x = 64,899.84
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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.