Finding the Fourth Proportional to 231,154.12, 346,732.62 and 71,228.08
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Solution
The fourth proportional to 231,154.12, 346,732.62 and 71,228.08 is: 106,842.56
Step by Step Solution
- Step 1: Write the proportion equation
231,154.12 : 346,732.62 = 71,228.08 : x - Step 2: Convert to fraction form
231,154.12/346,732.62 = 71,228.08/x - Step 3: Cross multiply
231,154.12x = 346,732.62 × 71,228.08 - Step 4: Simplify right side
231,154.12x = 24,697,098,795.97 - Step 5: Solve for x
x = 24,697,098,795.97/231,154.12 - Step 6: Final answer
x = 106,842.56
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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.