Finding the Fourth Proportional to 289,905.80, 434,858.70 and 184,929.80
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Solution
The fourth proportional to 289,905.80, 434,858.70 and 184,929.80 is: 277,394.70
Step by Step Solution
- Step 1: Write the proportion equation
289,905.80 : 434,858.70 = 184,929.80 : x - Step 2: Convert to fraction form
289,905.80/434,858.70 = 184,929.80/x - Step 3: Cross multiply
289,905.80x = 434,858.70 × 184,929.80 - Step 4: Simplify right side
289,905.80x = 80,418,332,419.26 - Step 5: Solve for x
x = 80,418,332,419.26/289,905.80 - Step 6: Final answer
x = 277,394.70
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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.