Finding the Fourth Proportional to 489,656.62, 734,370.09 and 236,812.09
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Solution
The fourth proportional to 489,656.62, 734,370.09 and 236,812.09 is: 355,162.60
Step by Step Solution
- Step 1: Write the proportion equation
489,656.62 : 734,370.09 = 236,812.09 : x - Step 2: Convert to fraction form
489,656.62/734,370.09 = 236,812.09/x - Step 3: Cross multiply
489,656.62x = 734,370.09 × 236,812.09 - Step 4: Simplify right side
489,656.62x = 173,907,715,846.39 - Step 5: Solve for x
x = 173,907,715,846.39/489,656.62 - Step 6: Final answer
x = 355,162.60
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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.