Finding the Fourth Proportional to 344,089.76, 515,937.84 and 133,481.84
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Solution
The fourth proportional to 344,089.76, 515,937.84 and 133,481.84 is: 200,146.42
Step by Step Solution
- Step 1: Write the proportion equation
344,089.76 : 515,937.84 = 133,481.84 : x - Step 2: Convert to fraction form
344,089.76/515,937.84 = 133,481.84/x - Step 3: Cross multiply
344,089.76x = 515,937.84 × 133,481.84 - Step 4: Simplify right side
344,089.76x = 68,868,332,208.83 - Step 5: Solve for x
x = 68,868,332,208.83/344,089.76 - Step 6: Final answer
x = 200,146.42
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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.