Finding the Fourth Proportional to 765,664.24, 1,148,408.88 and 204,742.48
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Solution
The fourth proportional to 765,664.24, 1,148,408.88 and 204,742.48 is: 307,090.33
Step by Step Solution
- Step 1: Write the proportion equation
765,664.24 : 1,148,408.88 = 204,742.48 : x - Step 2: Convert to fraction form
765,664.24/1,148,408.88 = 204,742.48/x - Step 3: Cross multiply
765,664.24x = 1,148,408.88 × 204,742.48 - Step 4: Simplify right side
765,664.24x = 235,128,082,145.22 - Step 5: Solve for x
x = 235,128,082,145.22/765,664.24 - Step 6: Final answer
x = 307,090.33
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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.