Home / 217,652.60-300,374.03-144,930.80

Finding the Fourth Proportional to 217,652.60, 300,374.03 and 144,930.80

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Solution

The fourth proportional to 217,652.60, 300,374.03 and 144,930.80 is: 200,013.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,652.60 : 300,374.03 = 144,930.80 : x
  2. Step 2: Convert to fraction form
    217,652.60/300,374.03 = 144,930.80/x
  3. Step 3: Cross multiply
    217,652.60x = 300,374.03 × 144,930.80
  4. Step 4: Simplify right side
    217,652.60x = 43,533,449,580.39
  5. Step 5: Solve for x
    x = 43,533,449,580.39/217,652.60
  6. Step 6: Final answer
    x = 200,013.46

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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.