Finding the Fourth Proportional to 246,037.64, 339,532.98 and 138,608.96
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Solution
The fourth proportional to 246,037.64, 339,532.98 and 138,608.96 is: 191,280.95
Step by Step Solution
- Step 1: Write the proportion equation
246,037.64 : 339,532.98 = 138,608.96 : x - Step 2: Convert to fraction form
246,037.64/339,532.98 = 138,608.96/x - Step 3: Cross multiply
246,037.64x = 339,532.98 × 138,608.96 - Step 4: Simplify right side
246,037.64x = 47,062,313,243.50 - Step 5: Solve for x
x = 47,062,313,243.50/246,037.64 - Step 6: Final answer
x = 191,280.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.