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Finding the Fourth Proportional to 471,480.12, 650,642.06 and 256,619.67

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Solution

The fourth proportional to 471,480.12, 650,642.06 and 256,619.67 is: 354,134.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,480.12 : 650,642.06 = 256,619.67 : x
  2. Step 2: Convert to fraction form
    471,480.12/650,642.06 = 256,619.67/x
  3. Step 3: Cross multiply
    471,480.12x = 650,642.06 × 256,619.67
  4. Step 4: Simplify right side
    471,480.12x = 166,967,546,189.01
  5. Step 5: Solve for x
    x = 166,967,546,189.01/471,480.12
  6. Step 6: Final answer
    x = 354,134.86

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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.