Home / 346,738.80-518,956.20-251,698.80

Finding the Fourth Proportional to 346,738.80, 518,956.20 and 251,698.80

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Solution

The fourth proportional to 346,738.80, 518,956.20 and 251,698.80 is: 376,711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,738.80 : 518,956.20 = 251,698.80 : x
  2. Step 2: Convert to fraction form
    346,738.80/518,956.20 = 251,698.80/x
  3. Step 3: Cross multiply
    346,738.80x = 518,956.20 × 251,698.80
  4. Step 4: Simplify right side
    346,738.80x = 130,620,652,792.56
  5. Step 5: Solve for x
    x = 130,620,652,792.56/346,738.80
  6. Step 6: Final answer
    x = 376,711.96

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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.