Finding the Fourth Proportional to 309,668.12, 464,452.46 and 84,976.08
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Solution
The fourth proportional to 309,668.12, 464,452.46 and 84,976.08 is: 127,450.48
Step by Step Solution
- Step 1: Write the proportion equation
309,668.12 : 464,452.46 = 84,976.08 : x - Step 2: Convert to fraction form
309,668.12/464,452.46 = 84,976.08/x - Step 3: Cross multiply
309,668.12x = 464,452.46 × 84,976.08 - Step 4: Simplify right side
309,668.12x = 39,467,349,397.16 - Step 5: Solve for x
x = 39,467,349,397.16/309,668.12 - Step 6: Final answer
x = 127,450.48
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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.