Home / 313,977.08-470,630.21-145,301.06

Finding the Fourth Proportional to 313,977.08, 470,630.21 and 145,301.06

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Solution

The fourth proportional to 313,977.08, 470,630.21 and 145,301.06 is: 217,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,977.08 : 470,630.21 = 145,301.06 : x
  2. Step 2: Convert to fraction form
    313,977.08/470,630.21 = 145,301.06/x
  3. Step 3: Cross multiply
    313,977.08x = 470,630.21 × 145,301.06
  4. Step 4: Simplify right side
    313,977.08x = 68,383,065,301.37
  5. Step 5: Solve for x
    x = 68,383,065,301.37/313,977.08
  6. Step 6: Final answer
    x = 217,796.36

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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.