Home / 324,212.10-485,972.55-124,455.30

Finding the Fourth Proportional to 324,212.10, 485,972.55 and 124,455.30

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Solution

The fourth proportional to 324,212.10, 485,972.55 and 124,455.30 is: 186,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,212.10 : 485,972.55 = 124,455.30 : x
  2. Step 2: Convert to fraction form
    324,212.10/485,972.55 = 124,455.30/x
  3. Step 3: Cross multiply
    324,212.10x = 485,972.55 × 124,455.30
  4. Step 4: Simplify right side
    324,212.10x = 60,481,859,502.02
  5. Step 5: Solve for x
    x = 60,481,859,502.02/324,212.10
  6. Step 6: Final answer
    x = 186,550.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.