Home / 309,834.89-464,742.62-170,469.53

Finding the Fourth Proportional to 309,834.89, 464,742.62 and 170,469.53

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Solution

The fourth proportional to 309,834.89, 464,742.62 and 170,469.53 is: 255,698.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,834.89 : 464,742.62 = 170,469.53 : x
  2. Step 2: Convert to fraction form
    309,834.89/464,742.62 = 170,469.53/x
  3. Step 3: Cross multiply
    309,834.89x = 464,742.62 × 170,469.53
  4. Step 4: Simplify right side
    309,834.89x = 79,224,455,150.02
  5. Step 5: Solve for x
    x = 79,224,455,150.02/309,834.89
  6. Step 6: Final answer
    x = 255,698.95

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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.