Home / 301,036.50-451,584.99-79,420.50

Finding the Fourth Proportional to 301,036.50, 451,584.99 and 79,420.50

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Solution

The fourth proportional to 301,036.50, 451,584.99 and 79,420.50 is: 119,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,036.50 : 451,584.99 = 79,420.50 : x
  2. Step 2: Convert to fraction form
    301,036.50/451,584.99 = 79,420.50/x
  3. Step 3: Cross multiply
    301,036.50x = 451,584.99 × 79,420.50
  4. Step 4: Simplify right side
    301,036.50x = 35,865,105,698.30
  5. Step 5: Solve for x
    x = 35,865,105,698.30/301,036.50
  6. Step 6: Final answer
    x = 119,138.73

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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.