Finding the Fourth Proportional to 403,367.70, 605,051.55 and 167,171.70
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Solution
The fourth proportional to 403,367.70, 605,051.55 and 167,171.70 is: 250,757.55
Step by Step Solution
- Step 1: Write the proportion equation
403,367.70 : 605,051.55 = 167,171.70 : x - Step 2: Convert to fraction form
403,367.70/605,051.55 = 167,171.70/x - Step 3: Cross multiply
403,367.70x = 605,051.55 × 167,171.70 - Step 4: Simplify right side
403,367.70x = 101,147,496,201.14 - Step 5: Solve for x
x = 101,147,496,201.14/403,367.70 - Step 6: Final answer
x = 250,757.55
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1.5x scale
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.