Finding the Fourth Proportional to 467,854.21, 645,624.24 and 263,902.15
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Solution
The fourth proportional to 467,854.21, 645,624.24 and 263,902.15 is: 364,176.75
Step by Step Solution
- Step 1: Write the proportion equation
467,854.21 : 645,624.24 = 263,902.15 : x - Step 2: Convert to fraction form
467,854.21/645,624.24 = 263,902.15/x - Step 3: Cross multiply
467,854.21x = 645,624.24 × 263,902.15 - Step 4: Simplify right side
467,854.21x = 170,381,625,028.12 - Step 5: Solve for x
x = 170,381,625,028.12/467,854.21 - Step 6: Final answer
x = 364,176.75
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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.