Finding the Fourth Proportional to 371,273.62, 512,358.10 and 201,507.74
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Solution
The fourth proportional to 371,273.62, 512,358.10 and 201,507.74 is: 278,080.95
Step by Step Solution
- Step 1: Write the proportion equation
371,273.62 : 512,358.10 = 201,507.74 : x - Step 2: Convert to fraction form
371,273.62/512,358.10 = 201,507.74/x - Step 3: Cross multiply
371,273.62x = 512,358.10 × 201,507.74 - Step 4: Simplify right side
371,273.62x = 103,244,122,801.69 - Step 5: Solve for x
x = 103,244,122,801.69/371,273.62 - Step 6: Final answer
x = 278,080.95
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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.