Finding the Fourth Proportional to 313,996.68, 433,318.32 and 170,758.08
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Solution
The fourth proportional to 313,996.68, 433,318.32 and 170,758.08 is: 235,647.73
Step by Step Solution
- Step 1: Write the proportion equation
313,996.68 : 433,318.32 = 170,758.08 : x - Step 2: Convert to fraction form
313,996.68/433,318.32 = 170,758.08/x - Step 3: Cross multiply
313,996.68x = 433,318.32 × 170,758.08 - Step 4: Simplify right side
313,996.68x = 73,992,604,352.03 - Step 5: Solve for x
x = 73,992,604,352.03/313,996.68 - Step 6: Final answer
x = 235,647.73
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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.