Finding the Fourth Proportional to 665,753.99, 998,638.26 and 192,443.45
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Solution
The fourth proportional to 665,753.99, 998,638.26 and 192,443.45 is: 288,667.27
Step by Step Solution
- Step 1: Write the proportion equation
665,753.99 : 998,638.26 = 192,443.45 : x - Step 2: Convert to fraction form
665,753.99/998,638.26 = 192,443.45/x - Step 3: Cross multiply
665,753.99x = 998,638.26 × 192,443.45 - Step 4: Simplify right side
665,753.99x = 192,181,387,063.21 - Step 5: Solve for x
x = 192,181,387,063.21/665,753.99 - Step 6: Final answer
x = 288,667.27
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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.