Finding the Fourth Proportional to 470,925.44, 649,880.16 and 256,067.84
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Solution
The fourth proportional to 470,925.44, 649,880.16 and 256,067.84 is: 353,375.28
Step by Step Solution
- Step 1: Write the proportion equation
470,925.44 : 649,880.16 = 256,067.84 : x - Step 2: Convert to fraction form
470,925.44/649,880.16 = 256,067.84/x - Step 3: Cross multiply
470,925.44x = 649,880.16 × 256,067.84 - Step 4: Simplify right side
470,925.44x = 166,413,408,830.05 - Step 5: Solve for x
x = 166,413,408,830.05/470,925.44 - Step 6: Final answer
x = 353,375.28
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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.