Finding the Fourth Proportional to 481,854.22, 723,108.26 and 257,375.88
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Solution
The fourth proportional to 481,854.22, 723,108.26 and 257,375.88 is: 386,238.45
Step by Step Solution
- Step 1: Write the proportion equation
481,854.22 : 723,108.26 = 257,375.88 : x - Step 2: Convert to fraction form
481,854.22/723,108.26 = 257,375.88/x - Step 3: Cross multiply
481,854.22x = 723,108.26 × 257,375.88 - Step 4: Simplify right side
481,854.22x = 186,110,625,396.21 - Step 5: Solve for x
x = 186,110,625,396.21/481,854.22 - Step 6: Final answer
x = 386,238.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.