Finding the Fourth Proportional to 273,037.20, 409,555.80 and 83,497.20
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Solution
The fourth proportional to 273,037.20, 409,555.80 and 83,497.20 is: 125,245.80
Step by Step Solution
- Step 1: Write the proportion equation
273,037.20 : 409,555.80 = 83,497.20 : x - Step 2: Convert to fraction form
273,037.20/409,555.80 = 83,497.20/x - Step 3: Cross multiply
273,037.20x = 409,555.80 × 83,497.20 - Step 4: Simplify right side
273,037.20x = 34,196,762,543.76 - Step 5: Solve for x
x = 34,196,762,543.76/273,037.20 - Step 6: Final answer
x = 125,245.80
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1.5x scale
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.