Finding the Fourth Proportional to 267,389.99, 400,801.35 and 125,115.39
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Solution
The fourth proportional to 267,389.99, 400,801.35 and 125,115.39 is: 187,540.37
Step by Step Solution
- Step 1: Write the proportion equation
267,389.99 : 400,801.35 = 125,115.39 : x - Step 2: Convert to fraction form
267,389.99/400,801.35 = 125,115.39/x - Step 3: Cross multiply
267,389.99x = 400,801.35 × 125,115.39 - Step 4: Simplify right side
267,389.99x = 50,146,417,217.78 - Step 5: Solve for x
x = 50,146,417,217.78/267,389.99 - Step 6: Final answer
x = 187,540.37
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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.