Finding the Fourth Proportional to 164,281.67, 226,533.67 and 129,765.74
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Solution
The fourth proportional to 164,281.67, 226,533.67 and 129,765.74 is: 178,938.45
Step by Step Solution
- Step 1: Write the proportion equation
164,281.67 : 226,533.67 = 129,765.74 : x - Step 2: Convert to fraction form
164,281.67/226,533.67 = 129,765.74/x - Step 3: Cross multiply
164,281.67x = 226,533.67 × 129,765.74 - Step 4: Simplify right side
164,281.67x = 29,396,307,540.97 - Step 5: Solve for x
x = 29,396,307,540.97/164,281.67 - Step 6: Final answer
x = 178,938.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.