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Finding the Fourth Proportional to 471,525.56, 650,719.95 and 256,679.95

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Solution

The fourth proportional to 471,525.56, 650,719.95 and 256,679.95 is: 354,226.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,525.56 : 650,719.95 = 256,679.95 : x
  2. Step 2: Convert to fraction form
    471,525.56/650,719.95 = 256,679.95/x
  3. Step 3: Cross multiply
    471,525.56x = 650,719.95 × 256,679.95
  4. Step 4: Simplify right side
    471,525.56x = 167,026,764,230.00
  5. Step 5: Solve for x
    x = 167,026,764,230.00/471,525.56
  6. Step 6: Final answer
    x = 354,226.32

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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.