Home / 422,800.36-583,464.50-231,815.08

Finding the Fourth Proportional to 422,800.36, 583,464.50 and 231,815.08

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Solution

The fourth proportional to 422,800.36, 583,464.50 and 231,815.08 is: 319,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,800.36 : 583,464.50 = 231,815.08 : x
  2. Step 2: Convert to fraction form
    422,800.36/583,464.50 = 231,815.08/x
  3. Step 3: Cross multiply
    422,800.36x = 583,464.50 × 231,815.08
  4. Step 4: Simplify right side
    422,800.36x = 135,255,869,744.66
  5. Step 5: Solve for x
    x = 135,255,869,744.66/422,800.36
  6. Step 6: Final answer
    x = 319,904.81

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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.