Home / 379,932.70-524,261.46-218,840.14

Finding the Fourth Proportional to 379,932.70, 524,261.46 and 218,840.14

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Solution

The fourth proportional to 379,932.70, 524,261.46 and 218,840.14 is: 301,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,932.70 : 524,261.46 = 218,840.14 : x
  2. Step 2: Convert to fraction form
    379,932.70/524,261.46 = 218,840.14/x
  3. Step 3: Cross multiply
    379,932.70x = 524,261.46 × 218,840.14
  4. Step 4: Simplify right side
    379,932.70x = 114,729,451,303.00
  5. Step 5: Solve for x
    x = 114,729,451,303.00/379,932.70
  6. Step 6: Final answer
    x = 301,973.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.