Home / 346,936.56-520,481.31-147,427.48

Finding the Fourth Proportional to 346,936.56, 520,481.31 and 147,427.48

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Solution

The fourth proportional to 346,936.56, 520,481.31 and 147,427.48 is: 221,173.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,936.56 : 520,481.31 = 147,427.48 : x
  2. Step 2: Convert to fraction form
    346,936.56/520,481.31 = 147,427.48/x
  3. Step 3: Cross multiply
    346,936.56x = 520,481.31 × 147,427.48
  4. Step 4: Simplify right side
    346,936.56x = 76,733,247,920.40
  5. Step 5: Solve for x
    x = 76,733,247,920.40/346,936.56
  6. Step 6: Final answer
    x = 221,173.72

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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.