Home / 422,923.12-583,641.42-231,934.84

Finding the Fourth Proportional to 422,923.12, 583,641.42 and 231,934.84

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Solution

The fourth proportional to 422,923.12, 583,641.42 and 231,934.84 is: 320,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,923.12 : 583,641.42 = 231,934.84 : x
  2. Step 2: Convert to fraction form
    422,923.12/583,641.42 = 231,934.84/x
  3. Step 3: Cross multiply
    422,923.12x = 583,641.42 × 231,934.84
  4. Step 4: Simplify right side
    422,923.12x = 135,366,779,365.07
  5. Step 5: Solve for x
    x = 135,366,779,365.07/422,923.12
  6. Step 6: Final answer
    x = 320,074.20

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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.