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Finding the Fourth Proportional to 471,171.21, 650,215.77 and 256,310.76

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Solution

The fourth proportional to 471,171.21, 650,215.77 and 256,310.76 is: 353,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,171.21 : 650,215.77 = 256,310.76 : x
  2. Step 2: Convert to fraction form
    471,171.21/650,215.77 = 256,310.76/x
  3. Step 3: Cross multiply
    471,171.21x = 650,215.77 × 256,310.76
  4. Step 4: Simplify right side
    471,171.21x = 166,657,301,091.58
  5. Step 5: Solve for x
    x = 166,657,301,091.58/471,171.21
  6. Step 6: Final answer
    x = 353,708.58

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1.5x scale

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.