Finding the Fourth Proportional to 170,564.70, 255,847.05 and 45,905.70
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Solution
The fourth proportional to 170,564.70, 255,847.05 and 45,905.70 is: 68,858.55
Step by Step Solution
- Step 1: Write the proportion equation
170,564.70 : 255,847.05 = 45,905.70 : x - Step 2: Convert to fraction form
170,564.70/255,847.05 = 45,905.70/x - Step 3: Cross multiply
170,564.70x = 255,847.05 × 45,905.70 - Step 4: Simplify right side
170,564.70x = 11,744,837,923.19 - Step 5: Solve for x
x = 11,744,837,923.19/170,564.70 - Step 6: Final answer
x = 68,858.55
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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.