Finding the Fourth Proportional to 391,511.04, 587,305.44 and 125,204.64
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Solution
The fourth proportional to 391,511.04, 587,305.44 and 125,204.64 is: 187,819.39
Step by Step Solution
- Step 1: Write the proportion equation
391,511.04 : 587,305.44 = 125,204.64 : x - Step 2: Convert to fraction form
391,511.04/587,305.44 = 125,204.64/x - Step 3: Cross multiply
391,511.04x = 587,305.44 × 125,204.64 - Step 4: Simplify right side
391,511.04x = 73,533,366,185.24 - Step 5: Solve for x
x = 73,533,366,185.24/391,511.04 - Step 6: Final answer
x = 187,819.39
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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.