Finding the Fourth Proportional to 309,422.28, 463,865.09 and 119,752.08
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Solution
The fourth proportional to 309,422.28, 463,865.09 and 119,752.08 is: 179,524.28
Step by Step Solution
- Step 1: Write the proportion equation
309,422.28 : 463,865.09 = 119,752.08 : x - Step 2: Convert to fraction form
309,422.28/463,865.09 = 119,752.08/x - Step 3: Cross multiply
309,422.28x = 463,865.09 × 119,752.08 - Step 4: Simplify right side
309,422.28x = 55,548,810,507.62 - Step 5: Solve for x
x = 55,548,810,507.62/309,422.28 - Step 6: Final answer
x = 179,524.28
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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.