Finding the Fourth Proportional to 753,556.16, 1,130,331.36 and 192,589.76
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Solution
The fourth proportional to 753,556.16, 1,130,331.36 and 192,589.76 is: 288,883.90
Step by Step Solution
- Step 1: Write the proportion equation
753,556.16 : 1,130,331.36 = 192,589.76 : x - Step 2: Convert to fraction form
753,556.16/1,130,331.36 = 192,589.76/x - Step 3: Cross multiply
753,556.16x = 1,130,331.36 × 192,589.76 - Step 4: Simplify right side
753,556.16x = 217,690,245,342.87 - Step 5: Solve for x
x = 217,690,245,342.87/753,556.16 - Step 6: Final answer
x = 288,883.90
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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.