Home / 227,117.40-340,676.10-143,136.60

Finding the Fourth Proportional to 227,117.40, 340,676.10 and 143,136.60

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Solution

The fourth proportional to 227,117.40, 340,676.10 and 143,136.60 is: 214,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,117.40 : 340,676.10 = 143,136.60 : x
  2. Step 2: Convert to fraction form
    227,117.40/340,676.10 = 143,136.60/x
  3. Step 3: Cross multiply
    227,117.40x = 340,676.10 × 143,136.60
  4. Step 4: Simplify right side
    227,117.40x = 48,763,218,655.26
  5. Step 5: Solve for x
    x = 48,763,218,655.26/227,117.40
  6. Step 6: Final answer
    x = 214,704.90

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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.