Finding the Fourth Proportional to 402,556.19, 603,908.10 and 165,769.70
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Solution
The fourth proportional to 402,556.19, 603,908.10 and 165,769.70 is: 248,684.95
Step by Step Solution
- Step 1: Write the proportion equation
402,556.19 : 603,908.10 = 165,769.70 : x - Step 2: Convert to fraction form
402,556.19/603,908.10 = 165,769.70/x - Step 3: Cross multiply
402,556.19x = 603,908.10 × 165,769.70 - Step 4: Simplify right side
402,556.19x = 100,109,664,564.57 - Step 5: Solve for x
x = 100,109,664,564.57/402,556.19 - Step 6: Final answer
x = 248,684.95
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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.