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Finding the Fourth Proportional to 471,048.78, 650,028.60 and 256,188.72

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Solution

The fourth proportional to 471,048.78, 650,028.60 and 256,188.72 is: 353,530.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,048.78 : 650,028.60 = 256,188.72 : x
  2. Step 2: Convert to fraction form
    471,048.78/650,028.60 = 256,188.72/x
  3. Step 3: Cross multiply
    471,048.78x = 650,028.60 × 256,188.72
  4. Step 4: Simplify right side
    471,048.78x = 166,529,994,997.39
  5. Step 5: Solve for x
    x = 166,529,994,997.39/471,048.78
  6. Step 6: Final answer
    x = 353,530.25

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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.