Finding the Fourth Proportional to 467,466.57, 644,878.35 and 306,250.65
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Solution
The fourth proportional to 467,466.57, 644,878.35 and 306,250.65 is: 422,478.15
Step by Step Solution
- Step 1: Write the proportion equation
467,466.57 : 644,878.35 = 306,250.65 : x - Step 2: Convert to fraction form
467,466.57/644,878.35 = 306,250.65/x - Step 3: Cross multiply
467,466.57x = 644,878.35 × 306,250.65 - Step 4: Simplify right side
467,466.57x = 197,494,413,858.43 - Step 5: Solve for x
x = 197,494,413,858.43/467,466.57 - Step 6: Final answer
x = 422,478.15
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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.