Finding the Fourth Proportional to 271,709.80, 407,564.70 and 201,725.80
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Solution
The fourth proportional to 271,709.80, 407,564.70 and 201,725.80 is: 302,588.70
Step by Step Solution
- Step 1: Write the proportion equation
271,709.80 : 407,564.70 = 201,725.80 : x - Step 2: Convert to fraction form
271,709.80/407,564.70 = 201,725.80/x - Step 3: Cross multiply
271,709.80x = 407,564.70 × 201,725.80 - Step 4: Simplify right side
271,709.80x = 82,216,315,159.26 - Step 5: Solve for x
x = 82,216,315,159.26/271,709.80 - Step 6: Final answer
x = 302,588.70
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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.