Finding the Fourth Proportional to 273,237.20, 409,855.80 and 95,725.70
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Solution
The fourth proportional to 273,237.20, 409,855.80 and 95,725.70 is: 143,588.55
Step by Step Solution
- Step 1: Write the proportion equation
273,237.20 : 409,855.80 = 95,725.70 : x - Step 2: Convert to fraction form
273,237.20/409,855.80 = 95,725.70/x - Step 3: Cross multiply
273,237.20x = 409,855.80 × 95,725.70 - Step 4: Simplify right side
273,237.20x = 39,233,733,354.06 - Step 5: Solve for x
x = 39,233,733,354.06/273,237.20 - Step 6: Final answer
x = 143,588.55
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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.