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Finding the Fourth Proportional to 471,550.40, 650,739.63 and 256,692.08

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Solution

The fourth proportional to 471,550.40, 650,739.63 and 256,692.08 is: 354,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,550.40 : 650,739.63 = 256,692.08 : x
  2. Step 2: Convert to fraction form
    471,550.40/650,739.63 = 256,692.08/x
  3. Step 3: Cross multiply
    471,550.40x = 650,739.63 × 256,692.08
  4. Step 4: Simplify right side
    471,550.40x = 167,039,705,909.43
  5. Step 5: Solve for x
    x = 167,039,705,909.43/471,550.40
  6. Step 6: Final answer
    x = 354,235.10

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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.