Home / 218,469.24-301,332.18-145,835.56

Finding the Fourth Proportional to 218,469.24, 301,332.18 and 145,835.56

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Solution

The fourth proportional to 218,469.24, 301,332.18 and 145,835.56 is: 201,149.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,469.24 : 301,332.18 = 145,835.56 : x
  2. Step 2: Convert to fraction form
    218,469.24/301,332.18 = 145,835.56/x
  3. Step 3: Cross multiply
    218,469.24x = 301,332.18 × 145,835.56
  4. Step 4: Simplify right side
    218,469.24x = 43,944,947,216.32
  5. Step 5: Solve for x
    x = 43,944,947,216.32/218,469.24
  6. Step 6: Final answer
    x = 201,149.36

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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.