Finding the Fourth Proportional to 267,101.70, 400,652.55 and 253,979.70
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Solution
The fourth proportional to 267,101.70, 400,652.55 and 253,979.70 is: 380,969.55
Step by Step Solution
- Step 1: Write the proportion equation
267,101.70 : 400,652.55 = 253,979.70 : x - Step 2: Convert to fraction form
267,101.70/400,652.55 = 253,979.70/x - Step 3: Cross multiply
267,101.70x = 400,652.55 × 253,979.70 - Step 4: Simplify right side
267,101.70x = 101,757,614,453.24 - Step 5: Solve for x
x = 101,757,614,453.24/267,101.70 - Step 6: Final answer
x = 380,969.55
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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.