Finding the Fourth Proportional to 299,765.13, 413,675.94 and 165,629.13
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Solution
The fourth proportional to 299,765.13, 413,675.94 and 165,629.13 is: 228,568.23
Step by Step Solution
- Step 1: Write the proportion equation
299,765.13 : 413,675.94 = 165,629.13 : x - Step 2: Convert to fraction form
299,765.13/413,675.94 = 165,629.13/x - Step 3: Cross multiply
299,765.13x = 413,675.94 × 165,629.13 - Step 4: Simplify right side
299,765.13x = 68,516,786,044.13 - Step 5: Solve for x
x = 68,516,786,044.13/299,765.13 - Step 6: Final answer
x = 228,568.23
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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.