Finding the Fourth Proportional to 254,206.08, 380,946.24 and 129,634.56
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Solution
The fourth proportional to 254,206.08, 380,946.24 and 129,634.56 is: 194,266.79
Step by Step Solution
- Step 1: Write the proportion equation
254,206.08 : 380,946.24 = 129,634.56 : x - Step 2: Convert to fraction form
254,206.08/380,946.24 = 129,634.56/x - Step 3: Cross multiply
254,206.08x = 380,946.24 × 129,634.56 - Step 4: Simplify right side
254,206.08x = 49,383,798,206.05 - Step 5: Solve for x
x = 49,383,798,206.05/254,206.08 - Step 6: Final answer
x = 194,266.79
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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.