Home / 340,764.37-470,255.22-197,607.60

Finding the Fourth Proportional to 340,764.37, 470,255.22 and 197,607.60

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Solution

The fourth proportional to 340,764.37, 470,255.22 and 197,607.60 is: 272,698.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,764.37 : 470,255.22 = 197,607.60 : x
  2. Step 2: Convert to fraction form
    340,764.37/470,255.22 = 197,607.60/x
  3. Step 3: Cross multiply
    340,764.37x = 470,255.22 × 197,607.60
  4. Step 4: Simplify right side
    340,764.37x = 92,926,004,423.63
  5. Step 5: Solve for x
    x = 92,926,004,423.63/340,764.37
  6. Step 6: Final answer
    x = 272,698.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.