Home / 346,027.60-518,944.20-109,442.80

Finding the Fourth Proportional to 346,027.60, 518,944.20 and 109,442.80

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Solution

The fourth proportional to 346,027.60, 518,944.20 and 109,442.80 is: 164,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,027.60 : 518,944.20 = 109,442.80 : x
  2. Step 2: Convert to fraction form
    346,027.60/518,944.20 = 109,442.80/x
  3. Step 3: Cross multiply
    346,027.60x = 518,944.20 × 109,442.80
  4. Step 4: Simplify right side
    346,027.60x = 56,794,706,291.76
  5. Step 5: Solve for x
    x = 56,794,706,291.76/346,027.60
  6. Step 6: Final answer
    x = 164,133.46

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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.