Home / 218,468.24-301,330.80-145,834.56

Finding the Fourth Proportional to 218,468.24, 301,330.80 and 145,834.56

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Solution

The fourth proportional to 218,468.24, 301,330.80 and 145,834.56 is: 201,147.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,468.24 : 301,330.80 = 145,834.56 : x
  2. Step 2: Convert to fraction form
    218,468.24/301,330.80 = 145,834.56/x
  3. Step 3: Cross multiply
    218,468.24x = 301,330.80 × 145,834.56
  4. Step 4: Simplify right side
    218,468.24x = 43,944,444,632.45
  5. Step 5: Solve for x
    x = 43,944,444,632.45/218,468.24
  6. Step 6: Final answer
    x = 201,147.98

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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.