Home / 340,790.80-470,291.32-197,633.88

Finding the Fourth Proportional to 340,790.80, 470,291.32 and 197,633.88

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Solution

The fourth proportional to 340,790.80, 470,291.32 and 197,633.88 is: 272,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,790.80 : 470,291.32 = 197,633.88 : x
  2. Step 2: Convert to fraction form
    340,790.80/470,291.32 = 197,633.88/x
  3. Step 3: Cross multiply
    340,790.80x = 470,291.32 × 197,633.88
  4. Step 4: Simplify right side
    340,790.80x = 92,945,498,301.92
  5. Step 5: Solve for x
    x = 92,945,498,301.92/340,790.80
  6. Step 6: Final answer
    x = 272,734.76

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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.