Finding the Fourth Proportional to 479,451.24, 661,658.59 and 261,671.80
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Solution
The fourth proportional to 479,451.24, 661,658.59 and 261,671.80 is: 361,115.75
Step by Step Solution
- Step 1: Write the proportion equation
479,451.24 : 661,658.59 = 261,671.80 : x - Step 2: Convert to fraction form
479,451.24/661,658.59 = 261,671.80/x - Step 3: Cross multiply
479,451.24x = 661,658.59 × 261,671.80 - Step 4: Simplify right side
479,451.24x = 173,137,394,230.76 - Step 5: Solve for x
x = 173,137,394,230.76/479,451.24 - Step 6: Final answer
x = 361,115.75
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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.