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Finding the Fourth Proportional to 471,028.78, 650,024.48 and 256,173.58

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Solution

The fourth proportional to 471,028.78, 650,024.48 and 256,173.58 is: 353,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,028.78 : 650,024.48 = 256,173.58 : x
  2. Step 2: Convert to fraction form
    471,028.78/650,024.48 = 256,173.58/x
  3. Step 3: Cross multiply
    471,028.78x = 650,024.48 × 256,173.58
  4. Step 4: Simplify right side
    471,028.78x = 166,519,093,598.25
  5. Step 5: Solve for x
    x = 166,519,093,598.25/471,028.78
  6. Step 6: Final answer
    x = 353,522.13

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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.