Finding the Fourth Proportional to 267,359.10, 401,125.05 and 178,712.70
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Solution
The fourth proportional to 267,359.10, 401,125.05 and 178,712.70 is: 268,126.80
Step by Step Solution
- Step 1: Write the proportion equation
267,359.10 : 401,125.05 = 178,712.70 : x - Step 2: Convert to fraction form
267,359.10/401,125.05 = 178,712.70/x - Step 3: Cross multiply
267,359.10x = 401,125.05 × 178,712.70 - Step 4: Simplify right side
267,359.10x = 71,686,140,723.14 - Step 5: Solve for x
x = 71,686,140,723.14/267,359.10 - Step 6: Final answer
x = 268,126.80
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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.