Finding the Fourth Proportional to 201,749.70, 302,961.93 and 126,024.48
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Solution
The fourth proportional to 201,749.70, 302,961.93 and 126,024.48 is: 189,247.47
Step by Step Solution
- Step 1: Write the proportion equation
201,749.70 : 302,961.93 = 126,024.48 : x - Step 2: Convert to fraction form
201,749.70/302,961.93 = 126,024.48/x - Step 3: Cross multiply
201,749.70x = 302,961.93 × 126,024.48 - Step 4: Simplify right side
201,749.70x = 38,180,619,688.05 - Step 5: Solve for x
x = 38,180,619,688.05/201,749.70 - Step 6: Final answer
x = 189,247.47
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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.