Finding the Fourth Proportional to 302,511.70, 453,749.19 and 133,982.56
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Solution
The fourth proportional to 302,511.70, 453,749.19 and 133,982.56 is: 200,965.71
Step by Step Solution
- Step 1: Write the proportion equation
302,511.70 : 453,749.19 = 133,982.56 : x - Step 2: Convert to fraction form
302,511.70/453,749.19 = 133,982.56/x - Step 3: Cross multiply
302,511.70x = 453,749.19 × 133,982.56 - Step 4: Simplify right side
302,511.70x = 60,794,478,074.13 - Step 5: Solve for x
x = 60,794,478,074.13/302,511.70 - Step 6: Final answer
x = 200,965.71
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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.