Home / 380,834.66-570,651.06-140,617.92

Finding the Fourth Proportional to 380,834.66, 570,651.06 and 140,617.92

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Solution

The fourth proportional to 380,834.66, 570,651.06 and 140,617.92 is: 210,704.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,834.66 : 570,651.06 = 140,617.92 : x
  2. Step 2: Convert to fraction form
    380,834.66/570,651.06 = 140,617.92/x
  3. Step 3: Cross multiply
    380,834.66x = 570,651.06 × 140,617.92
  4. Step 4: Simplify right side
    380,834.66x = 80,243,765,103.00
  5. Step 5: Solve for x
    x = 80,243,765,103.00/380,834.66
  6. Step 6: Final answer
    x = 210,704.99

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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.