Finding the Fourth Proportional to 759,015.68, 1,138,720.68 and 226,536.68
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Solution
The fourth proportional to 759,015.68, 1,138,720.68 and 226,536.68 is: 339,863.86
Step by Step Solution
- Step 1: Write the proportion equation
759,015.68 : 1,138,720.68 = 226,536.68 : x - Step 2: Convert to fraction form
759,015.68/1,138,720.68 = 226,536.68/x - Step 3: Cross multiply
759,015.68x = 1,138,720.68 × 226,536.68 - Step 4: Simplify right side
759,015.68x = 257,962,002,294.54 - Step 5: Solve for x
x = 257,962,002,294.54/759,015.68 - Step 6: Final answer
x = 339,863.86
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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.