Finding the Fourth Proportional to 253,742.76, 379,562.22 and 193,313.99
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Solution
The fourth proportional to 253,742.76, 379,562.22 and 193,313.99 is: 289,169.58
Step by Step Solution
- Step 1: Write the proportion equation
253,742.76 : 379,562.22 = 193,313.99 : x - Step 2: Convert to fraction form
253,742.76/379,562.22 = 193,313.99/x - Step 3: Cross multiply
253,742.76x = 379,562.22 × 193,313.99 - Step 4: Simplify right side
253,742.76x = 73,374,688,150.36 - Step 5: Solve for x
x = 73,374,688,150.36/253,742.76 - Step 6: Final answer
x = 289,169.58
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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.