Finding the Fourth Proportional to 348,769.76, 481,318.08 and 205,535.84
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Solution
The fourth proportional to 348,769.76, 481,318.08 and 205,535.84 is: 283,648.78
Step by Step Solution
- Step 1: Write the proportion equation
348,769.76 : 481,318.08 = 205,535.84 : x - Step 2: Convert to fraction form
348,769.76/481,318.08 = 205,535.84/x - Step 3: Cross multiply
348,769.76x = 481,318.08 × 205,535.84 - Step 4: Simplify right side
348,769.76x = 98,928,115,879.99 - Step 5: Solve for x
x = 98,928,115,879.99/348,769.76 - Step 6: Final answer
x = 283,648.78
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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.