Home / 347,256.20-520,884.30-110,622.80

Finding the Fourth Proportional to 347,256.20, 520,884.30 and 110,622.80

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Solution

The fourth proportional to 347,256.20, 520,884.30 and 110,622.80 is: 165,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,256.20 : 520,884.30 = 110,622.80 : x
  2. Step 2: Convert to fraction form
    347,256.20/520,884.30 = 110,622.80/x
  3. Step 3: Cross multiply
    347,256.20x = 520,884.30 × 110,622.80
  4. Step 4: Simplify right side
    347,256.20x = 57,621,679,742.04
  5. Step 5: Solve for x
    x = 57,621,679,742.04/347,256.20
  6. Step 6: Final answer
    x = 165,934.20

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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.