Home / 324,835.36-487,305.58-100,143.22

Finding the Fourth Proportional to 324,835.36, 487,305.58 and 100,143.22

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Solution

The fourth proportional to 324,835.36, 487,305.58 and 100,143.22 is: 150,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,835.36 : 487,305.58 = 100,143.22 : x
  2. Step 2: Convert to fraction form
    324,835.36/487,305.58 = 100,143.22/x
  3. Step 3: Cross multiply
    324,835.36x = 487,305.58 × 100,143.22
  4. Step 4: Simplify right side
    324,835.36x = 48,800,349,905.17
  5. Step 5: Solve for x
    x = 48,800,349,905.17/324,835.36
  6. Step 6: Final answer
    x = 150,231.03

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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.