Home / 422,943.64-583,669.70-231,955.36

Finding the Fourth Proportional to 422,943.64, 583,669.70 and 231,955.36

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Solution

The fourth proportional to 422,943.64, 583,669.70 and 231,955.36 is: 320,102.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,943.64 : 583,669.70 = 231,955.36 : x
  2. Step 2: Convert to fraction form
    422,943.64/583,669.70 = 231,955.36/x
  3. Step 3: Cross multiply
    422,943.64x = 583,669.70 × 231,955.36
  4. Step 4: Simplify right side
    422,943.64x = 135,385,315,384.59
  5. Step 5: Solve for x
    x = 135,385,315,384.59/422,943.64
  6. Step 6: Final answer
    x = 320,102.50

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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.