Finding the Fourth Proportional to 570,939.10, 855,246.03 and 270,509.02
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Solution
The fourth proportional to 570,939.10, 855,246.03 and 270,509.02 is: 405,212.68
Step by Step Solution
- Step 1: Write the proportion equation
570,939.10 : 855,246.03 = 270,509.02 : x - Step 2: Convert to fraction form
570,939.10/855,246.03 = 270,509.02/x - Step 3: Cross multiply
570,939.10x = 855,246.03 × 270,509.02 - Step 4: Simplify right side
570,939.10x = 231,351,765,434.19 - Step 5: Solve for x
x = 231,351,765,434.19/570,939.10 - Step 6: Final answer
x = 405,212.68
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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.