Finding the Fourth Proportional to 218,106.05, 327,159.12 and 68,346.31
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Solution
The fourth proportional to 218,106.05, 327,159.12 and 68,346.31 is: 102,519.48
Step by Step Solution
- Step 1: Write the proportion equation
218,106.05 : 327,159.12 = 68,346.31 : x - Step 2: Convert to fraction form
218,106.05/327,159.12 = 68,346.31/x - Step 3: Cross multiply
218,106.05x = 327,159.12 × 68,346.31 - Step 4: Simplify right side
218,106.05x = 22,360,118,634.85 - Step 5: Solve for x
x = 22,360,118,634.85/218,106.05 - Step 6: Final answer
x = 102,519.48
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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.