Home / 422,987.20-583,743.72-232,018.36

Finding the Fourth Proportional to 422,987.20, 583,743.72 and 232,018.36

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Solution

The fourth proportional to 422,987.20, 583,743.72 and 232,018.36 is: 320,197.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,987.20 : 583,743.72 = 232,018.36 : x
  2. Step 2: Convert to fraction form
    422,987.20/583,743.72 = 232,018.36/x
  3. Step 3: Cross multiply
    422,987.20x = 583,743.72 × 232,018.36
  4. Step 4: Simplify right side
    422,987.20x = 135,439,260,574.70
  5. Step 5: Solve for x
    x = 135,439,260,574.70/422,987.20
  6. Step 6: Final answer
    x = 320,197.07

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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.