Home / 422,667.50-583,281.29-231,682.19

Finding the Fourth Proportional to 422,667.50, 583,281.29 and 231,682.19

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Solution

The fourth proportional to 422,667.50, 583,281.29 and 231,682.19 is: 319,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,667.50 : 583,281.29 = 231,682.19 : x
  2. Step 2: Convert to fraction form
    422,667.50/583,281.29 = 231,682.19/x
  3. Step 3: Cross multiply
    422,667.50x = 583,281.29 × 231,682.19
  4. Step 4: Simplify right side
    422,667.50x = 135,135,886,653.23
  5. Step 5: Solve for x
    x = 135,135,886,653.23/422,667.50
  6. Step 6: Final answer
    x = 319,721.50

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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.