Home / 346,845.60-520,057.20-136,231.20

Finding the Fourth Proportional to 346,845.60, 520,057.20 and 136,231.20

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Solution

The fourth proportional to 346,845.60, 520,057.20 and 136,231.20 is: 204,263.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,845.60 : 520,057.20 = 136,231.20 : x
  2. Step 2: Convert to fraction form
    346,845.60/520,057.20 = 136,231.20/x
  3. Step 3: Cross multiply
    346,845.60x = 520,057.20 × 136,231.20
  4. Step 4: Simplify right side
    346,845.60x = 70,848,016,424.64
  5. Step 5: Solve for x
    x = 70,848,016,424.64/346,845.60
  6. Step 6: Final answer
    x = 204,263.85

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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.