Finding the Fourth Proportional to 241,209.63, 361,559.09 and 81,133.18
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Solution
The fourth proportional to 241,209.63, 361,559.09 and 81,133.18 is: 121,613.88
Step by Step Solution
- Step 1: Write the proportion equation
241,209.63 : 361,559.09 = 81,133.18 : x - Step 2: Convert to fraction form
241,209.63/361,559.09 = 81,133.18/x - Step 3: Cross multiply
241,209.63x = 361,559.09 × 81,133.18 - Step 4: Simplify right side
241,209.63x = 29,334,438,028.54 - Step 5: Solve for x
x = 29,334,438,028.54/241,209.63 - Step 6: Final answer
x = 121,613.88
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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.