Finding the Fourth Proportional to 267,404.20, 401,106.30 and 207,917.80
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Solution
The fourth proportional to 267,404.20, 401,106.30 and 207,917.80 is: 311,876.70
Step by Step Solution
- Step 1: Write the proportion equation
267,404.20 : 401,106.30 = 207,917.80 : x - Step 2: Convert to fraction form
267,404.20/401,106.30 = 207,917.80/x - Step 3: Cross multiply
267,404.20x = 401,106.30 × 207,917.80 - Step 4: Simplify right side
267,404.20x = 83,397,139,462.14 - Step 5: Solve for x
x = 83,397,139,462.14/267,404.20 - Step 6: Final answer
x = 311,876.70
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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.