Finding the Fourth Proportional to 200,358.75, 276,495.08 and 110,934.75
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Solution
The fourth proportional to 200,358.75, 276,495.08 and 110,934.75 is: 153,089.96
Step by Step Solution
- Step 1: Write the proportion equation
200,358.75 : 276,495.08 = 110,934.75 : x - Step 2: Convert to fraction form
200,358.75/276,495.08 = 110,934.75/x - Step 3: Cross multiply
200,358.75x = 276,495.08 × 110,934.75 - Step 4: Simplify right side
200,358.75x = 30,672,912,576.03 - Step 5: Solve for x
x = 30,672,912,576.03/200,358.75 - Step 6: Final answer
x = 153,089.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.