Finding the Fourth Proportional to 391,798.32, 587,664.80 and 277,473.44
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Solution
The fourth proportional to 391,798.32, 587,664.80 and 277,473.44 is: 416,187.02
Step by Step Solution
- Step 1: Write the proportion equation
391,798.32 : 587,664.80 = 277,473.44 : x - Step 2: Convert to fraction form
391,798.32/587,664.80 = 277,473.44/x - Step 3: Cross multiply
391,798.32x = 587,664.80 × 277,473.44 - Step 4: Simplify right side
391,798.32x = 163,061,373,622.91 - Step 5: Solve for x
x = 163,061,373,622.91/391,798.32 - Step 6: Final answer
x = 416,187.02
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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.