Home / 422,628.05-633,981.16-152,823.53

Finding the Fourth Proportional to 422,628.05, 633,981.16 and 152,823.53

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Solution

The fourth proportional to 422,628.05, 633,981.16 and 152,823.53 is: 229,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,628.05 : 633,981.16 = 152,823.53 : x
  2. Step 2: Convert to fraction form
    422,628.05/633,981.16 = 152,823.53/x
  3. Step 3: Cross multiply
    422,628.05x = 633,981.16 × 152,823.53
  4. Step 4: Simplify right side
    422,628.05x = 96,887,238,824.69
  5. Step 5: Solve for x
    x = 96,887,238,824.69/422,628.05
  6. Step 6: Final answer
    x = 229,249.43

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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.