Finding the Fourth Proportional to 273,390.60, 409,889.06 and 167,991.80
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Solution
The fourth proportional to 273,390.60, 409,889.06 and 167,991.80 is: 251,866.75
Step by Step Solution
- Step 1: Write the proportion equation
273,390.60 : 409,889.06 = 167,991.80 : x - Step 2: Convert to fraction form
273,390.60/409,889.06 = 167,991.80/x - Step 3: Cross multiply
273,390.60x = 409,889.06 × 167,991.80 - Step 4: Simplify right side
273,390.60x = 68,858,000,989.71 - Step 5: Solve for x
x = 68,858,000,989.71/273,390.60 - Step 6: Final answer
x = 251,866.75
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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.