Finding the Fourth Proportional to 479,706.08, 661,996.34 and 261,915.44
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Solution
The fourth proportional to 479,706.08, 661,996.34 and 261,915.44 is: 361,444.37
Step by Step Solution
- Step 1: Write the proportion equation
479,706.08 : 661,996.34 = 261,915.44 : x - Step 2: Convert to fraction form
479,706.08/661,996.34 = 261,915.44/x - Step 3: Cross multiply
479,706.08x = 661,996.34 × 261,915.44 - Step 4: Simplify right side
479,706.08x = 173,387,058,049.93 - Step 5: Solve for x
x = 173,387,058,049.93/479,706.08 - Step 6: Final answer
x = 361,444.37
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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.