Finding the Fourth Proportional to 431,475.24, 595,713.15 and 278,582.07
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Solution
The fourth proportional to 431,475.24, 595,713.15 and 278,582.07 is: 384,622.31
Step by Step Solution
- Step 1: Write the proportion equation
431,475.24 : 595,713.15 = 278,582.07 : x - Step 2: Convert to fraction form
431,475.24/595,713.15 = 278,582.07/x - Step 3: Cross multiply
431,475.24x = 595,713.15 × 278,582.07 - Step 4: Simplify right side
431,475.24x = 165,955,002,453.22 - Step 5: Solve for x
x = 165,955,002,453.22/431,475.24 - Step 6: Final answer
x = 384,622.31
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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.