Finding the Fourth Proportional to 489,494.43, 734,241.69 and 173,963.79
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Solution
The fourth proportional to 489,494.43, 734,241.69 and 173,963.79 is: 260,945.70
Step by Step Solution
- Step 1: Write the proportion equation
489,494.43 : 734,241.69 = 173,963.79 : x - Step 2: Convert to fraction form
489,494.43/734,241.69 = 173,963.79/x - Step 3: Cross multiply
489,494.43x = 734,241.69 × 173,963.79 - Step 4: Simplify right side
489,494.43x = 127,731,467,168.41 - Step 5: Solve for x
x = 127,731,467,168.41/489,494.43 - Step 6: Final answer
x = 260,945.70
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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.