Finding the Fourth Proportional to 487,023.26, 672,106.56 and 272,163.95
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Solution
The fourth proportional to 487,023.26, 672,106.56 and 272,163.95 is: 375,594.33
Step by Step Solution
- Step 1: Write the proportion equation
487,023.26 : 672,106.56 = 272,163.95 : x - Step 2: Convert to fraction form
487,023.26/672,106.56 = 272,163.95/x - Step 3: Cross multiply
487,023.26x = 672,106.56 × 272,163.95 - Step 4: Simplify right side
487,023.26x = 182,923,175,860.69 - Step 5: Solve for x
x = 182,923,175,860.69/487,023.26 - Step 6: Final answer
x = 375,594.33
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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.