Finding the Fourth Proportional to 467,669.94, 644,954.12 and 306,466.44
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Solution
The fourth proportional to 467,669.94, 644,954.12 and 306,466.44 is: 422,641.65
Step by Step Solution
- Step 1: Write the proportion equation
467,669.94 : 644,954.12 = 306,466.44 : x - Step 2: Convert to fraction form
467,669.94/644,954.12 = 306,466.44/x - Step 3: Cross multiply
467,669.94x = 644,954.12 × 306,466.44 - Step 4: Simplify right side
467,669.94x = 197,656,793,119.73 - Step 5: Solve for x
x = 197,656,793,119.73/467,669.94 - Step 6: Final answer
x = 422,641.65
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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.