Finding the Fourth Proportional to 705,682.21, 1,058,524.14 and 193,351.68
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Solution
The fourth proportional to 705,682.21, 1,058,524.14 and 193,351.68 is: 290,027.75
Step by Step Solution
- Step 1: Write the proportion equation
705,682.21 : 1,058,524.14 = 193,351.68 : x - Step 2: Convert to fraction form
705,682.21/1,058,524.14 = 193,351.68/x - Step 3: Cross multiply
705,682.21x = 1,058,524.14 × 193,351.68 - Step 4: Simplify right side
705,682.21x = 204,667,422,710.80 - Step 5: Solve for x
x = 204,667,422,710.80/705,682.21 - Step 6: Final answer
x = 290,027.75
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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.