Home / 219,384.28-329,076.44-53,172.28

Finding the Fourth Proportional to 219,384.28, 329,076.44 and 53,172.28

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Solution

The fourth proportional to 219,384.28, 329,076.44 and 53,172.28 is: 79,758.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,384.28 : 329,076.44 = 53,172.28 : x
  2. Step 2: Convert to fraction form
    219,384.28/329,076.44 = 53,172.28/x
  3. Step 3: Cross multiply
    219,384.28x = 329,076.44 × 53,172.28
  4. Step 4: Simplify right side
    219,384.28x = 17,497,744,953.96
  5. Step 5: Solve for x
    x = 17,497,744,953.96/219,384.28
  6. Step 6: Final answer
    x = 79,758.43

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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.