Home / 227,271.20-340,956-87,029.82

Finding the Fourth Proportional to 227,271.20, 340,956 and 87,029.82

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Solution

The fourth proportional to 227,271.20, 340,956 and 87,029.82 is: 130,563.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,271.20 : 340,956 = 87,029.82 : x
  2. Step 2: Convert to fraction form
    227,271.20/340,956 = 87,029.82/x
  3. Step 3: Cross multiply
    227,271.20x = 340,956 × 87,029.82
  4. Step 4: Simplify right side
    227,271.20x = 29,673,339,307.92
  5. Step 5: Solve for x
    x = 29,673,339,307.92/227,271.20
  6. Step 6: Final answer
    x = 130,563.57

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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.