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Finding the Fourth Proportional to 471,529.56, 650,725.50 and 256,683.96

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Solution

The fourth proportional to 471,529.56, 650,725.50 and 256,683.96 is: 354,231.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,529.56 : 650,725.50 = 256,683.96 : x
  2. Step 2: Convert to fraction form
    471,529.56/650,725.50 = 256,683.96/x
  3. Step 3: Cross multiply
    471,529.56x = 650,725.50 × 256,683.96
  4. Step 4: Simplify right side
    471,529.56x = 167,030,798,212.98
  5. Step 5: Solve for x
    x = 167,030,798,212.98/471,529.56
  6. Step 6: Final answer
    x = 354,231.87

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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.