Home / 340,789.48-470,283.30-185,742.11

Finding the Fourth Proportional to 340,789.48, 470,283.30 and 185,742.11

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Solution

The fourth proportional to 340,789.48, 470,283.30 and 185,742.11 is: 256,320.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,789.48 : 470,283.30 = 185,742.11 : x
  2. Step 2: Convert to fraction form
    340,789.48/470,283.30 = 185,742.11/x
  3. Step 3: Cross multiply
    340,789.48x = 470,283.30 × 185,742.11
  4. Step 4: Simplify right side
    340,789.48x = 87,351,412,439.76
  5. Step 5: Solve for x
    x = 87,351,412,439.76/340,789.48
  6. Step 6: Final answer
    x = 256,320.74

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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.