Home / 230,661.30-318,305.37-135,231.55

Finding the Fourth Proportional to 230,661.30, 318,305.37 and 135,231.55

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Solution

The fourth proportional to 230,661.30, 318,305.37 and 135,231.55 is: 186,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,661.30 : 318,305.37 = 135,231.55 : x
  2. Step 2: Convert to fraction form
    230,661.30/318,305.37 = 135,231.55/x
  3. Step 3: Cross multiply
    230,661.30x = 318,305.37 × 135,231.55
  4. Step 4: Simplify right side
    230,661.30x = 43,044,928,558.42
  5. Step 5: Solve for x
    x = 43,044,928,558.42/230,661.30
  6. Step 6: Final answer
    x = 186,615.30

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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.