Home / 470,180.20-705,383.70-154,620.40

Finding the Fourth Proportional to 470,180.20, 705,383.70 and 154,620.40

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Solution

The fourth proportional to 470,180.20, 705,383.70 and 154,620.40 is: 231,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,180.20 : 705,383.70 = 154,620.40 : x
  2. Step 2: Convert to fraction form
    470,180.20/705,383.70 = 154,620.40/x
  3. Step 3: Cross multiply
    470,180.20x = 705,383.70 × 154,620.40
  4. Step 4: Simplify right side
    470,180.20x = 109,066,709,847.48
  5. Step 5: Solve for x
    x = 109,066,709,847.48/470,180.20
  6. Step 6: Final answer
    x = 231,967.89

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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.