Finding the Fourth Proportional to 496,134.20, 744,201.30 and 384,159.80
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Solution
The fourth proportional to 496,134.20, 744,201.30 and 384,159.80 is: 576,239.70
Step by Step Solution
- Step 1: Write the proportion equation
496,134.20 : 744,201.30 = 384,159.80 : x - Step 2: Convert to fraction form
496,134.20/744,201.30 = 384,159.80/x - Step 3: Cross multiply
496,134.20x = 744,201.30 × 384,159.80 - Step 4: Simplify right side
496,134.20x = 285,892,222,567.74 - Step 5: Solve for x
x = 285,892,222,567.74/496,134.20 - Step 6: Final answer
x = 576,239.70
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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.