Home / 340,815.84-470,327.72-197,660.76

Finding the Fourth Proportional to 340,815.84, 470,327.72 and 197,660.76

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Solution

The fourth proportional to 340,815.84, 470,327.72 and 197,660.76 is: 272,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,815.84 : 470,327.72 = 197,660.76 : x
  2. Step 2: Convert to fraction form
    340,815.84/470,327.72 = 197,660.76/x
  3. Step 3: Cross multiply
    340,815.84x = 470,327.72 × 197,660.76
  4. Step 4: Simplify right side
    340,815.84x = 92,965,334,584.27
  5. Step 5: Solve for x
    x = 92,965,334,584.27/340,815.84
  6. Step 6: Final answer
    x = 272,772.93

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1.5x scale

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.