Home / 219,687.20-329,271.60-164,218.40

Finding the Fourth Proportional to 219,687.20, 329,271.60 and 164,218.40

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Solution

The fourth proportional to 219,687.20, 329,271.60 and 164,218.40 is: 246,133.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,687.20 : 329,271.60 = 164,218.40 : x
  2. Step 2: Convert to fraction form
    219,687.20/329,271.60 = 164,218.40/x
  3. Step 3: Cross multiply
    219,687.20x = 329,271.60 × 164,218.40
  4. Step 4: Simplify right side
    219,687.20x = 54,072,455,317.44
  5. Step 5: Solve for x
    x = 54,072,455,317.44/219,687.20
  6. Step 6: Final answer
    x = 246,133.85

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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.