Finding the Fourth Proportional to 487,891.22, 732,149.06 and 263,408.09
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Solution
The fourth proportional to 487,891.22, 732,149.06 and 263,408.09 is: 395,280.70
Step by Step Solution
- Step 1: Write the proportion equation
487,891.22 : 732,149.06 = 263,408.09 : x - Step 2: Convert to fraction form
487,891.22/732,149.06 = 263,408.09/x - Step 3: Cross multiply
487,891.22x = 732,149.06 × 263,408.09 - Step 4: Simplify right side
487,891.22x = 192,853,980,512.11 - Step 5: Solve for x
x = 192,853,980,512.11/487,891.22 - Step 6: Final answer
x = 395,280.70
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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.