Finding the Fourth Proportional to 348,628.18, 481,107.89 and 193,579.80
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Solution
The fourth proportional to 348,628.18, 481,107.89 and 193,579.80 is: 267,140.68
Step by Step Solution
- Step 1: Write the proportion equation
348,628.18 : 481,107.89 = 193,579.80 : x - Step 2: Convert to fraction form
348,628.18/481,107.89 = 193,579.80/x - Step 3: Cross multiply
348,628.18x = 481,107.89 × 193,579.80 - Step 4: Simplify right side
348,628.18x = 93,132,769,124.62 - Step 5: Solve for x
x = 93,132,769,124.62/348,628.18 - Step 6: Final answer
x = 267,140.68
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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.