Finding the Fourth Proportional to 348,917.76, 481,559.49 and 213,030.90
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Solution
The fourth proportional to 348,917.76, 481,559.49 and 213,030.90 is: 294,014.99
Step by Step Solution
- Step 1: Write the proportion equation
348,917.76 : 481,559.49 = 213,030.90 : x - Step 2: Convert to fraction form
348,917.76/481,559.49 = 213,030.90/x - Step 3: Cross multiply
348,917.76x = 481,559.49 × 213,030.90 - Step 4: Simplify right side
348,917.76x = 102,587,051,558.24 - Step 5: Solve for x
x = 102,587,051,558.24/348,917.76 - Step 6: Final answer
x = 294,014.99
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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.