Home / 446,899.72-670,568.10-210,265.96

Finding the Fourth Proportional to 446,899.72, 670,568.10 and 210,265.96

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Solution

The fourth proportional to 446,899.72, 670,568.10 and 210,265.96 is: 315,501.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,899.72 : 670,568.10 = 210,265.96 : x
  2. Step 2: Convert to fraction form
    446,899.72/670,568.10 = 210,265.96/x
  3. Step 3: Cross multiply
    446,899.72x = 670,568.10 × 210,265.96
  4. Step 4: Simplify right side
    446,899.72x = 140,997,645,291.88
  5. Step 5: Solve for x
    x = 140,997,645,291.88/446,899.72
  6. Step 6: Final answer
    x = 315,501.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.