Finding the Fourth Proportional to 267,850.80, 401,763.21 and 99,403.96
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Solution
The fourth proportional to 267,850.80, 401,763.21 and 99,403.96 is: 149,101.12
Step by Step Solution
- Step 1: Write the proportion equation
267,850.80 : 401,763.21 = 99,403.96 : x - Step 2: Convert to fraction form
267,850.80/401,763.21 = 99,403.96/x - Step 3: Cross multiply
267,850.80x = 401,763.21 × 99,403.96 - Step 4: Simplify right side
267,850.80x = 39,936,854,056.31 - Step 5: Solve for x
x = 39,936,854,056.31/267,850.80 - Step 6: Final answer
x = 149,101.12
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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.