Home / 317,150.20-437,667.06-173,912.56

Finding the Fourth Proportional to 317,150.20, 437,667.06 and 173,912.56

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Solution

The fourth proportional to 317,150.20, 437,667.06 and 173,912.56 is: 239,999.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,150.20 : 437,667.06 = 173,912.56 : x
  2. Step 2: Convert to fraction form
    317,150.20/437,667.06 = 173,912.56/x
  3. Step 3: Cross multiply
    317,150.20x = 437,667.06 × 173,912.56
  4. Step 4: Simplify right side
    317,150.20x = 76,115,798,832.27
  5. Step 5: Solve for x
    x = 76,115,798,832.27/317,150.20
  6. Step 6: Final answer
    x = 239,999.21

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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.