Finding the Fourth Proportional to 192,438.84, 265,571.14 and 107,556.12
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Solution
The fourth proportional to 192,438.84, 265,571.14 and 107,556.12 is: 148,430.54
Step by Step Solution
- Step 1: Write the proportion equation
192,438.84 : 265,571.14 = 107,556.12 : x - Step 2: Convert to fraction form
192,438.84/265,571.14 = 107,556.12/x - Step 3: Cross multiply
192,438.84x = 265,571.14 × 107,556.12 - Step 4: Simplify right side
192,438.84x = 28,563,801,402.38 - Step 5: Solve for x
x = 28,563,801,402.38/192,438.84 - Step 6: Final answer
x = 148,430.54
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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.